Home / 71,218,139.40-106,827,209.10-25,763,531.40

Finding the Fourth Proportional to 71,218,139.40, 106,827,209.10 and 25,763,531.40

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Solution

The fourth proportional to 71,218,139.40, 106,827,209.10 and 25,763,531.40 is: 38,645,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,218,139.40 : 106,827,209.10 = 25,763,531.40 : x
  2. Step 2: Convert to fraction form
    71,218,139.40/106,827,209.10 = 25,763,531.40/x
  3. Step 3: Cross multiply
    71,218,139.40x = 106,827,209.10 × 25,763,531.40
  4. Step 4: Simplify right side
    71,218,139.40x = 2,752,246,156,022,215.50
  5. Step 5: Solve for x
    x = 2,752,246,156,022,215.50/71,218,139.40
  6. Step 6: Final answer
    x = 38,645,297.10

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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.