Home / 84,577,496.40-126,866,244.60-74,499,800.40

Finding the Fourth Proportional to 84,577,496.40, 126,866,244.60 and 74,499,800.40

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Solution

The fourth proportional to 84,577,496.40, 126,866,244.60 and 74,499,800.40 is: 111,749,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,577,496.40 : 126,866,244.60 = 74,499,800.40 : x
  2. Step 2: Convert to fraction form
    84,577,496.40/126,866,244.60 = 74,499,800.40/x
  3. Step 3: Cross multiply
    84,577,496.40x = 126,866,244.60 × 74,499,800.40
  4. Step 4: Simplify right side
    84,577,496.40x = 9,451,509,900,197,578
  5. Step 5: Solve for x
    x = 9,451,509,900,197,578/84,577,496.40
  6. Step 6: Final answer
    x = 111,749,700.60

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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.