Home / 103,948,331,836.31-155,653,963,591.14-71,741,555,818.04

Finding the Fourth Proportional to 103,948,331,836.31, 155,653,963,591.14 and 71,741,555,818.04

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Solution

The fourth proportional to 103,948,331,836.31, 155,653,963,591.14 and 71,741,555,818.04 is: 107,427,000,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,948,331,836.31 : 155,653,963,591.14 = 71,741,555,818.04 : x
  2. Step 2: Convert to fraction form
    103,948,331,836.31/155,653,963,591.14 = 71,741,555,818.04/x
  3. Step 3: Cross multiply
    103,948,331,836.31x = 155,653,963,591.14 × 71,741,555,818.04
  4. Step 4: Simplify right side
    103,948,331,836.31x = 11,166,857,517,272,936,742,912
  5. Step 5: Solve for x
    x = 11,166,857,517,272,936,742,912/103,948,331,836.31
  6. Step 6: Final answer
    x = 107,427,000,703.17

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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.