Home / 127,651,015,261.20-191,476,522,891.80-39,307,664,643.60

Finding the Fourth Proportional to 127,651,015,261.20, 191,476,522,891.80 and 39,307,664,643.60

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Solution

The fourth proportional to 127,651,015,261.20, 191,476,522,891.80 and 39,307,664,643.60 is: 58,961,496,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,651,015,261.20 : 191,476,522,891.80 = 39,307,664,643.60 : x
  2. Step 2: Convert to fraction form
    127,651,015,261.20/191,476,522,891.80 = 39,307,664,643.60/x
  3. Step 3: Cross multiply
    127,651,015,261.20x = 191,476,522,891.80 × 39,307,664,643.60
  4. Step 4: Simplify right side
    127,651,015,261.20x = 7,526,494,948,953,472,106,496
  5. Step 5: Solve for x
    x = 7,526,494,948,953,472,106,496/127,651,015,261.20
  6. Step 6: Final answer
    x = 58,961,496,965.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.