Home / 90,781,936.71-136,158,288-26,071,023.34

Finding the Fourth Proportional to 90,781,936.71, 136,158,288 and 26,071,023.34

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Solution

The fourth proportional to 90,781,936.71, 136,158,288 and 26,071,023.34 is: 39,102,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,781,936.71 : 136,158,288 = 26,071,023.34 : x
  2. Step 2: Convert to fraction form
    90,781,936.71/136,158,288 = 26,071,023.34/x
  3. Step 3: Cross multiply
    90,781,936.71x = 136,158,288 × 26,071,023.34
  4. Step 4: Simplify right side
    90,781,936.71x = 3,549,785,904,382,442
  5. Step 5: Solve for x
    x = 3,549,785,904,382,442/90,781,936.71
  6. Step 6: Final answer
    x = 39,102,337.24

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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.