Home / 147,822,351.66-203,996,166.41-81,747,295.20

Finding the Fourth Proportional to 147,822,351.66, 203,996,166.41 and 81,747,295.20

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Solution

The fourth proportional to 147,822,351.66, 203,996,166.41 and 81,747,295.20 is: 112,811,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,351.66 : 203,996,166.41 = 81,747,295.20 : x
  2. Step 2: Convert to fraction form
    147,822,351.66/203,996,166.41 = 81,747,295.20/x
  3. Step 3: Cross multiply
    147,822,351.66x = 203,996,166.41 × 81,747,295.20
  4. Step 4: Simplify right side
    147,822,351.66x = 16,676,134,835,390,962
  5. Step 5: Solve for x
    x = 16,676,134,835,390,962/147,822,351.66
  6. Step 6: Final answer
    x = 112,811,997.97

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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.