Home / 65,610,082.20-98,415,123.30-20,165,971.80

Finding the Fourth Proportional to 65,610,082.20, 98,415,123.30 and 20,165,971.80

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Solution

The fourth proportional to 65,610,082.20, 98,415,123.30 and 20,165,971.80 is: 30,248,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610,082.20 : 98,415,123.30 = 20,165,971.80 : x
  2. Step 2: Convert to fraction form
    65,610,082.20/98,415,123.30 = 20,165,971.80/x
  3. Step 3: Cross multiply
    65,610,082.20x = 98,415,123.30 × 20,165,971.80
  4. Step 4: Simplify right side
    65,610,082.20x = 1,984,636,601,161,323
  5. Step 5: Solve for x
    x = 1,984,636,601,161,323/65,610,082.20
  6. Step 6: Final answer
    x = 30,248,957.70

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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.