Home / 131,451,507.38-181,359,020.28-75,695,726

Finding the Fourth Proportional to 131,451,507.38, 181,359,020.28 and 75,695,726

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Solution

The fourth proportional to 131,451,507.38, 181,359,020.28 and 75,695,726 is: 104,434,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451,507.38 : 181,359,020.28 = 75,695,726 : x
  2. Step 2: Convert to fraction form
    131,451,507.38/181,359,020.28 = 75,695,726/x
  3. Step 3: Cross multiply
    131,451,507.38x = 181,359,020.28 × 75,695,726
  4. Step 4: Simplify right side
    131,451,507.38x = 13,728,102,706,743,324
  5. Step 5: Solve for x
    x = 13,728,102,706,743,324/131,451,507.38
  6. Step 6: Final answer
    x = 104,434,730.19

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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.