Home / 108,918,785.20-152,868,936.80-108,918,785.20

Finding the Fourth Proportional to 108,918,785.20, 152,868,936.80 and 108,918,785.20

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Solution

The fourth proportional to 108,918,785.20, 152,868,936.80 and 108,918,785.20 is: 152,868,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,785.20 : 152,868,936.80 = 108,918,785.20 : x
  2. Step 2: Convert to fraction form
    108,918,785.20/152,868,936.80 = 108,918,785.20/x
  3. Step 3: Cross multiply
    108,918,785.20x = 152,868,936.80 × 108,918,785.20
  4. Step 4: Simplify right side
    108,918,785.20x = 16,650,298,891,071,578
  5. Step 5: Solve for x
    x = 16,650,298,891,071,578/108,918,785.20
  6. Step 6: Final answer
    x = 152,868,936.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.