Home / 67,156,920.10-100,710,496.95-21,720,196.90

Finding the Fourth Proportional to 67,156,920.10, 100,710,496.95 and 21,720,196.90

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Solution

The fourth proportional to 67,156,920.10, 100,710,496.95 and 21,720,196.90 is: 32,572,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156,920.10 : 100,710,496.95 = 21,720,196.90 : x
  2. Step 2: Convert to fraction form
    67,156,920.10/100,710,496.95 = 21,720,196.90/x
  3. Step 3: Cross multiply
    67,156,920.10x = 100,710,496.95 × 21,720,196.90
  4. Step 4: Simplify right side
    67,156,920.10x = 2,187,451,823,650,849.25
  5. Step 5: Solve for x
    x = 2,187,451,823,650,849.25/67,156,920.10
  6. Step 6: Final answer
    x = 32,572,247.51

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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.