Home / 121,274,496,084.70-181,911,744,127.05-42,731,172,948.70

Finding the Fourth Proportional to 121,274,496,084.70, 181,911,744,127.05 and 42,731,172,948.70

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Solution

The fourth proportional to 121,274,496,084.70, 181,911,744,127.05 and 42,731,172,948.70 is: 64,096,759,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,274,496,084.70 : 181,911,744,127.05 = 42,731,172,948.70 : x
  2. Step 2: Convert to fraction form
    121,274,496,084.70/181,911,744,127.05 = 42,731,172,948.70/x
  3. Step 3: Cross multiply
    121,274,496,084.70x = 181,911,744,127.05 × 42,731,172,948.70
  4. Step 4: Simplify right side
    121,274,496,084.70x = 7,773,302,199,692,633,833,472
  5. Step 5: Solve for x
    x = 7,773,302,199,692,633,833,472/121,274,496,084.70
  6. Step 6: Final answer
    x = 64,096,759,423.05

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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.