Home / 126,123,712.20-189,185,568.30-93,838,671.45

Finding the Fourth Proportional to 126,123,712.20, 189,185,568.30 and 93,838,671.45

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Solution

The fourth proportional to 126,123,712.20, 189,185,568.30 and 93,838,671.45 is: 140,758,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,123,712.20 : 189,185,568.30 = 93,838,671.45 : x
  2. Step 2: Convert to fraction form
    126,123,712.20/189,185,568.30 = 93,838,671.45/x
  3. Step 3: Cross multiply
    126,123,712.20x = 189,185,568.30 × 93,838,671.45
  4. Step 4: Simplify right side
    126,123,712.20x = 17,752,922,386,785,236
  5. Step 5: Solve for x
    x = 17,752,922,386,785,236/126,123,712.20
  6. Step 6: Final answer
    x = 140,758,007.18

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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.