Home / 65,287,105.60-97,930,658.40-53,940,366.40

Finding the Fourth Proportional to 65,287,105.60, 97,930,658.40 and 53,940,366.40

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Solution

The fourth proportional to 65,287,105.60, 97,930,658.40 and 53,940,366.40 is: 80,910,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,287,105.60 : 97,930,658.40 = 53,940,366.40 : x
  2. Step 2: Convert to fraction form
    65,287,105.60/97,930,658.40 = 53,940,366.40/x
  3. Step 3: Cross multiply
    65,287,105.60x = 97,930,658.40 × 53,940,366.40
  4. Step 4: Simplify right side
    65,287,105.60x = 5,282,415,595,889,238
  5. Step 5: Solve for x
    x = 5,282,415,595,889,238/65,287,105.60
  6. Step 6: Final answer
    x = 80,910,549.60

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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.