Home / 178,477,139.84-267,728,008.28-74,741,898.92

Finding the Fourth Proportional to 178,477,139.84, 267,728,008.28 and 74,741,898.92

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Solution

The fourth proportional to 178,477,139.84, 267,728,008.28 and 74,741,898.92 is: 112,117,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,477,139.84 : 267,728,008.28 = 74,741,898.92 : x
  2. Step 2: Convert to fraction form
    178,477,139.84/267,728,008.28 = 74,741,898.92/x
  3. Step 3: Cross multiply
    178,477,139.84x = 267,728,008.28 × 74,741,898.92
  4. Step 4: Simplify right side
    178,477,139.84x = 20,010,499,732,916,684
  5. Step 5: Solve for x
    x = 20,010,499,732,916,684/178,477,139.84
  6. Step 6: Final answer
    x = 112,117,998.70

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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.