Home / 70,515,113.60-105,772,670.40-46,328,643.20

Finding the Fourth Proportional to 70,515,113.60, 105,772,670.40 and 46,328,643.20

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Solution

The fourth proportional to 70,515,113.60, 105,772,670.40 and 46,328,643.20 is: 69,492,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,515,113.60 : 105,772,670.40 = 46,328,643.20 : x
  2. Step 2: Convert to fraction form
    70,515,113.60/105,772,670.40 = 46,328,643.20/x
  3. Step 3: Cross multiply
    70,515,113.60x = 105,772,670.40 × 46,328,643.20
  4. Step 4: Simplify right side
    70,515,113.60x = 4,900,304,307,272,802
  5. Step 5: Solve for x
    x = 4,900,304,307,272,802/70,515,113.60
  6. Step 6: Final answer
    x = 69,492,964.80

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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.