Home / 90,798,132.30-136,197,198.45-74,854,902.30

Finding the Fourth Proportional to 90,798,132.30, 136,197,198.45 and 74,854,902.30

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Solution

The fourth proportional to 90,798,132.30, 136,197,198.45 and 74,854,902.30 is: 112,282,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,798,132.30 : 136,197,198.45 = 74,854,902.30 : x
  2. Step 2: Convert to fraction form
    90,798,132.30/136,197,198.45 = 74,854,902.30/x
  3. Step 3: Cross multiply
    90,798,132.30x = 136,197,198.45 × 74,854,902.30
  4. Step 4: Simplify right side
    90,798,132.30x = 10,195,027,983,508,460
  5. Step 5: Solve for x
    x = 10,195,027,983,508,460/90,798,132.30
  6. Step 6: Final answer
    x = 112,282,353.45

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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.