Home / 67,156,952.10-100,710,544.95-21,720,228.90

Finding the Fourth Proportional to 67,156,952.10, 100,710,544.95 and 21,720,228.90

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Solution

The fourth proportional to 67,156,952.10, 100,710,544.95 and 21,720,228.90 is: 32,572,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156,952.10 : 100,710,544.95 = 21,720,228.90 : x
  2. Step 2: Convert to fraction form
    67,156,952.10/100,710,544.95 = 21,720,228.90/x
  3. Step 3: Cross multiply
    67,156,952.10x = 100,710,544.95 × 21,720,228.90
  4. Step 4: Simplify right side
    67,156,952.10x = 2,187,456,088,957,739
  5. Step 5: Solve for x
    x = 2,187,456,088,957,739/67,156,952.10
  6. Step 6: Final answer
    x = 32,572,295.50

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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.