Home / 159,822,913,759.78-220,527,588,910.54-91,202,996,748.10

Finding the Fourth Proportional to 159,822,913,759.78, 220,527,588,910.54 and 91,202,996,748.10

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Solution

The fourth proportional to 159,822,913,759.78, 220,527,588,910.54 and 91,202,996,748.10 is: 125,844,138,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,822,913,759.78 : 220,527,588,910.54 = 91,202,996,748.10 : x
  2. Step 2: Convert to fraction form
    159,822,913,759.78/220,527,588,910.54 = 91,202,996,748.10/x
  3. Step 3: Cross multiply
    159,822,913,759.78x = 220,527,588,910.54 × 91,202,996,748.10
  4. Step 4: Simplify right side
    159,822,913,759.78x = 20,112,776,974,274,316,468,224
  5. Step 5: Solve for x
    x = 20,112,776,974,274,316,468,224/159,822,913,759.78
  6. Step 6: Final answer
    x = 125,844,138,998.15

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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.