Home / 79,730,822.20-119,596,233.30-74,422,406.20

Finding the Fourth Proportional to 79,730,822.20, 119,596,233.30 and 74,422,406.20

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Solution

The fourth proportional to 79,730,822.20, 119,596,233.30 and 74,422,406.20 is: 111,633,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,730,822.20 : 119,596,233.30 = 74,422,406.20 : x
  2. Step 2: Convert to fraction form
    79,730,822.20/119,596,233.30 = 74,422,406.20/x
  3. Step 3: Cross multiply
    79,730,822.20x = 119,596,233.30 × 74,422,406.20
  4. Step 4: Simplify right side
    79,730,822.20x = 8,900,639,454,642,567
  5. Step 5: Solve for x
    x = 8,900,639,454,642,567/79,730,822.20
  6. Step 6: Final answer
    x = 111,633,609.30

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Double scale
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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.