Home / 147,822,849.60-203,996,853-81,747,795

Finding the Fourth Proportional to 147,822,849.60, 203,996,853 and 81,747,795

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Solution

The fourth proportional to 147,822,849.60, 203,996,853 and 81,747,795 is: 112,812,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,849.60 : 203,996,853 = 81,747,795 : x
  2. Step 2: Convert to fraction form
    147,822,849.60/203,996,853 = 81,747,795/x
  3. Step 3: Cross multiply
    147,822,849.60x = 203,996,853 × 81,747,795
  4. Step 4: Simplify right side
    147,822,849.60x = 16,676,292,919,689,136
  5. Step 5: Solve for x
    x = 16,676,292,919,689,136/147,822,849.60
  6. Step 6: Final answer
    x = 112,812,687.38

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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.