Home / 103,631,224.10-155,446,836.15-31,818,308.90

Finding the Fourth Proportional to 103,631,224.10, 155,446,836.15 and 31,818,308.90

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Solution

The fourth proportional to 103,631,224.10, 155,446,836.15 and 31,818,308.90 is: 47,727,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631,224.10 : 155,446,836.15 = 31,818,308.90 : x
  2. Step 2: Convert to fraction form
    103,631,224.10/155,446,836.15 = 31,818,308.90/x
  3. Step 3: Cross multiply
    103,631,224.10x = 155,446,836.15 × 31,818,308.90
  4. Step 4: Simplify right side
    103,631,224.10x = 4,946,055,450,148,387
  5. Step 5: Solve for x
    x = 4,946,055,450,148,387/103,631,224.10
  6. Step 6: Final answer
    x = 47,727,463.35

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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.