Home / 137,014,545.28-189,085,524.24-75,137,103.04

Finding the Fourth Proportional to 137,014,545.28, 189,085,524.24 and 75,137,103.04

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Solution

The fourth proportional to 137,014,545.28, 189,085,524.24 and 75,137,103.04 is: 103,692,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,014,545.28 : 189,085,524.24 = 75,137,103.04 : x
  2. Step 2: Convert to fraction form
    137,014,545.28/189,085,524.24 = 75,137,103.04/x
  3. Step 3: Cross multiply
    137,014,545.28x = 189,085,524.24 × 75,137,103.04
  4. Step 4: Simplify right side
    137,014,545.28x = 14,207,338,518,193,300
  5. Step 5: Solve for x
    x = 14,207,338,518,193,300/137,014,545.28
  6. Step 6: Final answer
    x = 103,692,191.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.