Home / 82,224,153.60-123,336,230.40-74,665,881.60

Finding the Fourth Proportional to 82,224,153.60, 123,336,230.40 and 74,665,881.60

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Solution

The fourth proportional to 82,224,153.60, 123,336,230.40 and 74,665,881.60 is: 111,998,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,224,153.60 : 123,336,230.40 = 74,665,881.60 : x
  2. Step 2: Convert to fraction form
    82,224,153.60/123,336,230.40 = 74,665,881.60/x
  3. Step 3: Cross multiply
    82,224,153.60x = 123,336,230.40 × 74,665,881.60
  4. Step 4: Simplify right side
    82,224,153.60x = 9,209,008,376,036,720
  5. Step 5: Solve for x
    x = 9,209,008,376,036,720/82,224,153.60
  6. Step 6: Final answer
    x = 111,998,822.40

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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.