Home / 131,397,585.13-181,329,842.19-72,664,201.90

Finding the Fourth Proportional to 131,397,585.13, 181,329,842.19 and 72,664,201.90

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Solution

The fourth proportional to 131,397,585.13, 181,329,842.19 and 72,664,201.90 is: 100,277,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,397,585.13 : 181,329,842.19 = 72,664,201.90 : x
  2. Step 2: Convert to fraction form
    131,397,585.13/181,329,842.19 = 72,664,201.90/x
  3. Step 3: Cross multiply
    131,397,585.13x = 181,329,842.19 × 72,664,201.90
  4. Step 4: Simplify right side
    131,397,585.13x = 13,176,188,263,389,300
  5. Step 5: Solve for x
    x = 13,176,188,263,389,300/131,397,585.13
  6. Step 6: Final answer
    x = 100,277,248.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.