Home / 67,984,932.80-101,977,399.20-61,266,468.80

Finding the Fourth Proportional to 67,984,932.80, 101,977,399.20 and 61,266,468.80

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Solution

The fourth proportional to 67,984,932.80, 101,977,399.20 and 61,266,468.80 is: 91,899,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,984,932.80 : 101,977,399.20 = 61,266,468.80 : x
  2. Step 2: Convert to fraction form
    67,984,932.80/101,977,399.20 = 61,266,468.80/x
  3. Step 3: Cross multiply
    67,984,932.80x = 101,977,399.20 × 61,266,468.80
  4. Step 4: Simplify right side
    67,984,932.80x = 6,247,795,146,391,945
  5. Step 5: Solve for x
    x = 6,247,795,146,391,945/67,984,932.80
  6. Step 6: Final answer
    x = 91,899,703.20

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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.