Home / 57,981,985.74-86,783,724.27-42,625,209.78

Finding the Fourth Proportional to 57,981,985.74, 86,783,724.27 and 42,625,209.78

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Solution

The fourth proportional to 57,981,985.74, 86,783,724.27 and 42,625,209.78 is: 63,798,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981,985.74 : 86,783,724.27 = 42,625,209.78 : x
  2. Step 2: Convert to fraction form
    57,981,985.74/86,783,724.27 = 42,625,209.78/x
  3. Step 3: Cross multiply
    57,981,985.74x = 86,783,724.27 × 42,625,209.78
  4. Step 4: Simplify right side
    57,981,985.74x = 3,699,174,452,498,427.50
  5. Step 5: Solve for x
    x = 3,699,174,452,498,427.50/57,981,985.74
  6. Step 6: Final answer
    x = 63,798,685.15

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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.