Home / 85,002,545.80-127,291,242.30-67,996,433.80

Finding the Fourth Proportional to 85,002,545.80, 127,291,242.30 and 67,996,433.80

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Solution

The fourth proportional to 85,002,545.80, 127,291,242.30 and 67,996,433.80 is: 101,824,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,002,545.80 : 127,291,242.30 = 67,996,433.80 : x
  2. Step 2: Convert to fraction form
    85,002,545.80/127,291,242.30 = 67,996,433.80/x
  3. Step 3: Cross multiply
    85,002,545.80x = 127,291,242.30 × 67,996,433.80
  4. Step 4: Simplify right side
    85,002,545.80x = 8,655,350,530,371,709
  5. Step 5: Solve for x
    x = 8,655,350,530,371,709/85,002,545.80
  6. Step 6: Final answer
    x = 101,824,603.59

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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.