Home / 124,690,007.10-187,035,010.65-38,420,730.30

Finding the Fourth Proportional to 124,690,007.10, 187,035,010.65 and 38,420,730.30

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Solution

The fourth proportional to 124,690,007.10, 187,035,010.65 and 38,420,730.30 is: 57,631,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,690,007.10 : 187,035,010.65 = 38,420,730.30 : x
  2. Step 2: Convert to fraction form
    124,690,007.10/187,035,010.65 = 38,420,730.30/x
  3. Step 3: Cross multiply
    124,690,007.10x = 187,035,010.65 × 38,420,730.30
  4. Step 4: Simplify right side
    124,690,007.10x = 7,186,021,700,841,277
  5. Step 5: Solve for x
    x = 7,186,021,700,841,277/124,690,007.10
  6. Step 6: Final answer
    x = 57,631,095.45

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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.