Home / 147,822,244.28-203,996,018.86-81,747,188.30

Finding the Fourth Proportional to 147,822,244.28, 203,996,018.86 and 81,747,188.30

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Solution

The fourth proportional to 147,822,244.28, 203,996,018.86 and 81,747,188.30 is: 112,811,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,244.28 : 203,996,018.86 = 81,747,188.30 : x
  2. Step 2: Convert to fraction form
    147,822,244.28/203,996,018.86 = 81,747,188.30/x
  3. Step 3: Cross multiply
    147,822,244.28x = 203,996,018.86 × 81,747,188.30
  4. Step 4: Simplify right side
    147,822,244.28x = 16,676,100,965,178,792
  5. Step 5: Solve for x
    x = 16,676,100,965,178,792/147,822,244.28
  6. Step 6: Final answer
    x = 112,811,850.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.