Home / 123,549,771.80-185,324,657.70-31,433,331.80

Finding the Fourth Proportional to 123,549,771.80, 185,324,657.70 and 31,433,331.80

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Solution

The fourth proportional to 123,549,771.80, 185,324,657.70 and 31,433,331.80 is: 47,149,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,549,771.80 : 185,324,657.70 = 31,433,331.80 : x
  2. Step 2: Convert to fraction form
    123,549,771.80/185,324,657.70 = 31,433,331.80/x
  3. Step 3: Cross multiply
    123,549,771.80x = 185,324,657.70 × 31,433,331.80
  4. Step 4: Simplify right side
    123,549,771.80x = 5,825,371,456,205,525
  5. Step 5: Solve for x
    x = 5,825,371,456,205,525/123,549,771.80
  6. Step 6: Final answer
    x = 47,149,997.70

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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.