Home / 52,112,073.28-78,168,671.18-15,720,778.92

Finding the Fourth Proportional to 52,112,073.28, 78,168,671.18 and 15,720,778.92

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Solution

The fourth proportional to 52,112,073.28, 78,168,671.18 and 15,720,778.92 is: 23,581,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,073.28 : 78,168,671.18 = 15,720,778.92 : x
  2. Step 2: Convert to fraction form
    52,112,073.28/78,168,671.18 = 15,720,778.92/x
  3. Step 3: Cross multiply
    52,112,073.28x = 78,168,671.18 × 15,720,778.92
  4. Step 4: Simplify right side
    52,112,073.28x = 1,228,872,398,090,955.75
  5. Step 5: Solve for x
    x = 1,228,872,398,090,955.75/52,112,073.28
  6. Step 6: Final answer
    x = 23,581,337.70

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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.