Home / 108,923,612.30-163,385,418.45-100,609,513.10

Finding the Fourth Proportional to 108,923,612.30, 163,385,418.45 and 100,609,513.10

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Solution

The fourth proportional to 108,923,612.30, 163,385,418.45 and 100,609,513.10 is: 150,914,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,923,612.30 : 163,385,418.45 = 100,609,513.10 : x
  2. Step 2: Convert to fraction form
    108,923,612.30/163,385,418.45 = 100,609,513.10/x
  3. Step 3: Cross multiply
    108,923,612.30x = 163,385,418.45 × 100,609,513.10
  4. Step 4: Simplify right side
    108,923,612.30x = 16,438,127,397,894,254
  5. Step 5: Solve for x
    x = 16,438,127,397,894,254/108,923,612.30
  6. Step 6: Final answer
    x = 150,914,269.65

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Double scale
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1.5x scale

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.