Home / 67,150,257.90-100,725,386.85-66,016,517.10

Finding the Fourth Proportional to 67,150,257.90, 100,725,386.85 and 66,016,517.10

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Solution

The fourth proportional to 67,150,257.90, 100,725,386.85 and 66,016,517.10 is: 99,024,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,150,257.90 : 100,725,386.85 = 66,016,517.10 : x
  2. Step 2: Convert to fraction form
    67,150,257.90/100,725,386.85 = 66,016,517.10/x
  3. Step 3: Cross multiply
    67,150,257.90x = 100,725,386.85 × 66,016,517.10
  4. Step 4: Simplify right side
    67,150,257.90x = 6,649,539,223,387,140
  5. Step 5: Solve for x
    x = 6,649,539,223,387,140/67,150,257.90
  6. Step 6: Final answer
    x = 99,024,775.65

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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.