Home / 108,865,672.20-163,312,505.10-54,306,145.80

Finding the Fourth Proportional to 108,865,672.20, 163,312,505.10 and 54,306,145.80

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Solution

The fourth proportional to 108,865,672.20, 163,312,505.10 and 54,306,145.80 is: 81,466,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,865,672.20 : 163,312,505.10 = 54,306,145.80 : x
  2. Step 2: Convert to fraction form
    108,865,672.20/163,312,505.10 = 54,306,145.80/x
  3. Step 3: Cross multiply
    108,865,672.20x = 163,312,505.10 × 54,306,145.80
  4. Step 4: Simplify right side
    108,865,672.20x = 8,868,872,712,923,843
  5. Step 5: Solve for x
    x = 8,868,872,712,923,843/108,865,672.20
  6. Step 6: Final answer
    x = 81,466,200.81

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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.