Home / 108,813,141.20-163,007,135.40-65,553,843.80

Finding the Fourth Proportional to 108,813,141.20, 163,007,135.40 and 65,553,843.80

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Solution

The fourth proportional to 108,813,141.20, 163,007,135.40 and 65,553,843.80 is: 98,202,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,813,141.20 : 163,007,135.40 = 65,553,843.80 : x
  2. Step 2: Convert to fraction form
    108,813,141.20/163,007,135.40 = 65,553,843.80/x
  3. Step 3: Cross multiply
    108,813,141.20x = 163,007,135.40 × 65,553,843.80
  4. Step 4: Simplify right side
    108,813,141.20x = 10,685,744,292,297,050
  5. Step 5: Solve for x
    x = 10,685,744,292,297,050/108,813,141.20
  6. Step 6: Final answer
    x = 98,202,700.28

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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.