Home / 82,224,187.60-123,336,281.40-74,665,915.60

Finding the Fourth Proportional to 82,224,187.60, 123,336,281.40 and 74,665,915.60

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Solution

The fourth proportional to 82,224,187.60, 123,336,281.40 and 74,665,915.60 is: 111,998,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,224,187.60 : 123,336,281.40 = 74,665,915.60 : x
  2. Step 2: Convert to fraction form
    82,224,187.60/123,336,281.40 = 74,665,915.60/x
  3. Step 3: Cross multiply
    82,224,187.60x = 123,336,281.40 × 74,665,915.60
  4. Step 4: Simplify right side
    82,224,187.60x = 9,209,016,377,430,250
  5. Step 5: Solve for x
    x = 9,209,016,377,430,250/82,224,187.60
  6. Step 6: Final answer
    x = 111,998,873.40

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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.