Home / 85,071,451.20-127,607,176.80-27,565,598.40

Finding the Fourth Proportional to 85,071,451.20, 127,607,176.80 and 27,565,598.40

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Solution

The fourth proportional to 85,071,451.20, 127,607,176.80 and 27,565,598.40 is: 41,348,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071,451.20 : 127,607,176.80 = 27,565,598.40 : x
  2. Step 2: Convert to fraction form
    85,071,451.20/127,607,176.80 = 27,565,598.40/x
  3. Step 3: Cross multiply
    85,071,451.20x = 127,607,176.80 × 27,565,598.40
  4. Step 4: Simplify right side
    85,071,451.20x = 3,517,568,188,626,597
  5. Step 5: Solve for x
    x = 3,517,568,188,626,597/85,071,451.20
  6. Step 6: Final answer
    x = 41,348,397.60

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Similar ratio
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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.