Home / 57,485,428.20-86,086,424.70-38,211,834.60

Finding the Fourth Proportional to 57,485,428.20, 86,086,424.70 and 38,211,834.60

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Solution

The fourth proportional to 57,485,428.20, 86,086,424.70 and 38,211,834.60 is: 57,223,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,485,428.20 : 86,086,424.70 = 38,211,834.60 : x
  2. Step 2: Convert to fraction form
    57,485,428.20/86,086,424.70 = 38,211,834.60/x
  3. Step 3: Cross multiply
    57,485,428.20x = 86,086,424.70 × 38,211,834.60
  4. Step 4: Simplify right side
    57,485,428.20x = 3,289,520,221,941,755
  5. Step 5: Solve for x
    x = 3,289,520,221,941,755/57,485,428.20
  6. Step 6: Final answer
    x = 57,223,549.08

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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.