Home / 108,862,711.80-163,294,067.70-100,548,612.60

Finding the Fourth Proportional to 108,862,711.80, 163,294,067.70 and 100,548,612.60

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Solution

The fourth proportional to 108,862,711.80, 163,294,067.70 and 100,548,612.60 is: 150,822,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,862,711.80 : 163,294,067.70 = 100,548,612.60 : x
  2. Step 2: Convert to fraction form
    108,862,711.80/163,294,067.70 = 100,548,612.60/x
  3. Step 3: Cross multiply
    108,862,711.80x = 163,294,067.70 × 100,548,612.60
  4. Step 4: Simplify right side
    108,862,711.80x = 16,418,991,953,045,470
  5. Step 5: Solve for x
    x = 16,418,991,953,045,470/108,862,711.80
  6. Step 6: Final answer
    x = 150,822,918.90

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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.