Home / 81,752,452.28-122,527,700.97-70,156,409.66

Finding the Fourth Proportional to 81,752,452.28, 122,527,700.97 and 70,156,409.66

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Solution

The fourth proportional to 81,752,452.28, 122,527,700.97 and 70,156,409.66 is: 105,147,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,752,452.28 : 122,527,700.97 = 70,156,409.66 : x
  2. Step 2: Convert to fraction form
    81,752,452.28/122,527,700.97 = 70,156,409.66/x
  3. Step 3: Cross multiply
    81,752,452.28x = 122,527,700.97 × 70,156,409.66
  4. Step 4: Simplify right side
    81,752,452.28x = 8,596,103,583,949,299
  5. Step 5: Solve for x
    x = 8,596,103,583,949,299/81,752,452.28
  6. Step 6: Final answer
    x = 105,147,960.02

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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.