Home / 79,714,229.40-119,571,344.10-39,403,445.40

Finding the Fourth Proportional to 79,714,229.40, 119,571,344.10 and 39,403,445.40

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Solution

The fourth proportional to 79,714,229.40, 119,571,344.10 and 39,403,445.40 is: 59,105,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,714,229.40 : 119,571,344.10 = 39,403,445.40 : x
  2. Step 2: Convert to fraction form
    79,714,229.40/119,571,344.10 = 39,403,445.40/x
  3. Step 3: Cross multiply
    79,714,229.40x = 119,571,344.10 × 39,403,445.40
  4. Step 4: Simplify right side
    79,714,229.40x = 4,711,522,928,648,962
  5. Step 5: Solve for x
    x = 4,711,522,928,648,962/79,714,229.40
  6. Step 6: Final answer
    x = 59,105,168.10

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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.