Home / 111,897,232.52-154,377,219.06-67,812,428.68

Finding the Fourth Proportional to 111,897,232.52, 154,377,219.06 and 67,812,428.68

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Solution

The fourth proportional to 111,897,232.52, 154,377,219.06 and 67,812,428.68 is: 93,556,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,897,232.52 : 154,377,219.06 = 67,812,428.68 : x
  2. Step 2: Convert to fraction form
    111,897,232.52/154,377,219.06 = 67,812,428.68/x
  3. Step 3: Cross multiply
    111,897,232.52x = 154,377,219.06 × 67,812,428.68
  4. Step 4: Simplify right side
    111,897,232.52x = 10,468,694,157,322,988
  5. Step 5: Solve for x
    x = 10,468,694,157,322,988/111,897,232.52
  6. Step 6: Final answer
    x = 93,556,327.73

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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.