Home / 126,726,721.11-190,170,043.85-53,943,382.98

Finding the Fourth Proportional to 126,726,721.11, 190,170,043.85 and 53,943,382.98

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Solution

The fourth proportional to 126,726,721.11, 190,170,043.85 and 53,943,382.98 is: 80,949,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,726,721.11 : 190,170,043.85 = 53,943,382.98 : x
  2. Step 2: Convert to fraction form
    126,726,721.11/190,170,043.85 = 53,943,382.98/x
  3. Step 3: Cross multiply
    126,726,721.11x = 190,170,043.85 × 53,943,382.98
  4. Step 4: Simplify right side
    126,726,721.11x = 10,258,415,506,454,226
  5. Step 5: Solve for x
    x = 10,258,415,506,454,226/126,726,721.11
  6. Step 6: Final answer
    x = 80,949,111.73

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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.