Home / 45,657,169.50-68,509,300.05-21,398,560.90

Finding the Fourth Proportional to 45,657,169.50, 68,509,300.05 and 21,398,560.90

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Solution

The fourth proportional to 45,657,169.50, 68,509,300.05 and 21,398,560.90 is: 32,108,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657,169.50 : 68,509,300.05 = 21,398,560.90 : x
  2. Step 2: Convert to fraction form
    45,657,169.50/68,509,300.05 = 21,398,560.90/x
  3. Step 3: Cross multiply
    45,657,169.50x = 68,509,300.05 × 21,398,560.90
  4. Step 4: Simplify right side
    45,657,169.50x = 1,466,000,429,229,305.25
  5. Step 5: Solve for x
    x = 1,466,000,429,229,305.25/45,657,169.50
  6. Step 6: Final answer
    x = 32,108,876.78

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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.