Home / 138,889,068,942.22-191,309,796,209.42-98,173,982,839.84

Finding the Fourth Proportional to 138,889,068,942.22, 191,309,796,209.42 and 98,173,982,839.84

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Solution

The fourth proportional to 138,889,068,942.22, 191,309,796,209.42 and 98,173,982,839.84 is: 135,227,666,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,889,068,942.22 : 191,309,796,209.42 = 98,173,982,839.84 : x
  2. Step 2: Convert to fraction form
    138,889,068,942.22/191,309,796,209.42 = 98,173,982,839.84/x
  3. Step 3: Cross multiply
    138,889,068,942.22x = 191,309,796,209.42 × 98,173,982,839.84
  4. Step 4: Simplify right side
    138,889,068,942.22x = 18,781,644,650,156,314,853,376
  5. Step 5: Solve for x
    x = 18,781,644,650,156,314,853,376/138,889,068,942.22
  6. Step 6: Final answer
    x = 135,227,666,174.15

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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.