Home / 53,208,220.80-79,812,331.20-38,753,025.60

Finding the Fourth Proportional to 53,208,220.80, 79,812,331.20 and 38,753,025.60

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Solution

The fourth proportional to 53,208,220.80, 79,812,331.20 and 38,753,025.60 is: 58,129,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,208,220.80 : 79,812,331.20 = 38,753,025.60 : x
  2. Step 2: Convert to fraction form
    53,208,220.80/79,812,331.20 = 38,753,025.60/x
  3. Step 3: Cross multiply
    53,208,220.80x = 79,812,331.20 × 38,753,025.60
  4. Step 4: Simplify right side
    53,208,220.80x = 3,092,969,314,189,279
  5. Step 5: Solve for x
    x = 3,092,969,314,189,279/53,208,220.80
  6. Step 6: Final answer
    x = 58,129,538.40

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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.