Home / 126,265,158.20-189,397,737.30-83,183,007.80

Finding the Fourth Proportional to 126,265,158.20, 189,397,737.30 and 83,183,007.80

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Solution

The fourth proportional to 126,265,158.20, 189,397,737.30 and 83,183,007.80 is: 124,774,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,265,158.20 : 189,397,737.30 = 83,183,007.80 : x
  2. Step 2: Convert to fraction form
    126,265,158.20/189,397,737.30 = 83,183,007.80/x
  3. Step 3: Cross multiply
    126,265,158.20x = 189,397,737.30 × 83,183,007.80
  4. Step 4: Simplify right side
    126,265,158.20x = 15,754,673,459,128,252
  5. Step 5: Solve for x
    x = 15,754,673,459,128,252/126,265,158.20
  6. Step 6: Final answer
    x = 124,774,511.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.