Home / 82,012,728.60-123,036,807.60-24,510,812.40

Finding the Fourth Proportional to 82,012,728.60, 123,036,807.60 and 24,510,812.40

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Solution

The fourth proportional to 82,012,728.60, 123,036,807.60 and 24,510,812.40 is: 36,771,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,012,728.60 : 123,036,807.60 = 24,510,812.40 : x
  2. Step 2: Convert to fraction form
    82,012,728.60/123,036,807.60 = 24,510,812.40/x
  3. Step 3: Cross multiply
    82,012,728.60x = 123,036,807.60 × 24,510,812.40
  4. Step 4: Simplify right side
    82,012,728.60x = 3,015,732,109,378,494
  5. Step 5: Solve for x
    x = 3,015,732,109,378,494/82,012,728.60
  6. Step 6: Final answer
    x = 36,771,512.92

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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.