Home / 69,538,414.80-104,266,150.20-42,631,381.20

Finding the Fourth Proportional to 69,538,414.80, 104,266,150.20 and 42,631,381.20

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Solution

The fourth proportional to 69,538,414.80, 104,266,150.20 and 42,631,381.20 is: 63,921,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,538,414.80 : 104,266,150.20 = 42,631,381.20 : x
  2. Step 2: Convert to fraction form
    69,538,414.80/104,266,150.20 = 42,631,381.20/x
  3. Step 3: Cross multiply
    69,538,414.80x = 104,266,150.20 × 42,631,381.20
  4. Step 4: Simplify right side
    69,538,414.80x = 4,445,009,995,432,656.50
  5. Step 5: Solve for x
    x = 4,445,009,995,432,656.50/69,538,414.80
  6. Step 6: Final answer
    x = 63,921,646.88

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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.