Home / 90,753,117.30-136,129,675.95-74,809,887.30

Finding the Fourth Proportional to 90,753,117.30, 136,129,675.95 and 74,809,887.30

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Solution

The fourth proportional to 90,753,117.30, 136,129,675.95 and 74,809,887.30 is: 112,214,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,753,117.30 : 136,129,675.95 = 74,809,887.30 : x
  2. Step 2: Convert to fraction form
    90,753,117.30/136,129,675.95 = 74,809,887.30/x
  3. Step 3: Cross multiply
    90,753,117.30x = 136,129,675.95 × 74,809,887.30
  4. Step 4: Simplify right side
    90,753,117.30x = 10,183,845,716,005,020
  5. Step 5: Solve for x
    x = 10,183,845,716,005,020/90,753,117.30
  6. Step 6: Final answer
    x = 112,214,830.95

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Similar ratio
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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.