Home / 120,863,569.38-181,340,244.84-83,956,012.61

Finding the Fourth Proportional to 120,863,569.38, 181,340,244.84 and 83,956,012.61

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Solution

The fourth proportional to 120,863,569.38, 181,340,244.84 and 83,956,012.61 is: 125,965,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,863,569.38 : 181,340,244.84 = 83,956,012.61 : x
  2. Step 2: Convert to fraction form
    120,863,569.38/181,340,244.84 = 83,956,012.61/x
  3. Step 3: Cross multiply
    120,863,569.38x = 181,340,244.84 × 83,956,012.61
  4. Step 4: Simplify right side
    120,863,569.38x = 15,224,603,881,580,828
  5. Step 5: Solve for x
    x = 15,224,603,881,580,828/120,863,569.38
  6. Step 6: Final answer
    x = 125,965,201.59

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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.