Home / 66,672,041.30-100,013,591.55-21,232,553.30

Finding the Fourth Proportional to 66,672,041.30, 100,013,591.55 and 21,232,553.30

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Solution

The fourth proportional to 66,672,041.30, 100,013,591.55 and 21,232,553.30 is: 31,850,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,672,041.30 : 100,013,591.55 = 21,232,553.30 : x
  2. Step 2: Convert to fraction form
    66,672,041.30/100,013,591.55 = 21,232,553.30/x
  3. Step 3: Cross multiply
    66,672,041.30x = 100,013,591.55 × 21,232,553.30
  4. Step 4: Simplify right side
    66,672,041.30x = 2,123,543,913,309,804.75
  5. Step 5: Solve for x
    x = 2,123,543,913,309,804.75/66,672,041.30
  6. Step 6: Final answer
    x = 31,850,590.92

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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.