Home / 82,791,195.60-124,186,793.40-82,224,325.20

Finding the Fourth Proportional to 82,791,195.60, 124,186,793.40 and 82,224,325.20

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Solution

The fourth proportional to 82,791,195.60, 124,186,793.40 and 82,224,325.20 is: 123,336,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,791,195.60 : 124,186,793.40 = 82,224,325.20 : x
  2. Step 2: Convert to fraction form
    82,791,195.60/124,186,793.40 = 82,224,325.20/x
  3. Step 3: Cross multiply
    82,791,195.60x = 124,186,793.40 × 82,224,325.20
  4. Step 4: Simplify right side
    82,791,195.60x = 10,211,175,286,066,814
  5. Step 5: Solve for x
    x = 10,211,175,286,066,814/82,791,195.60
  6. Step 6: Final answer
    x = 123,336,487.80

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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.