Home / 84,244,223.10-126,366,334.65-74,670,411.90

Finding the Fourth Proportional to 84,244,223.10, 126,366,334.65 and 74,670,411.90

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Solution

The fourth proportional to 84,244,223.10, 126,366,334.65 and 74,670,411.90 is: 112,005,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,244,223.10 : 126,366,334.65 = 74,670,411.90 : x
  2. Step 2: Convert to fraction form
    84,244,223.10/126,366,334.65 = 74,670,411.90/x
  3. Step 3: Cross multiply
    84,244,223.10x = 126,366,334.65 × 74,670,411.90
  4. Step 4: Simplify right side
    84,244,223.10x = 9,435,826,258,608,744
  5. Step 5: Solve for x
    x = 9,435,826,258,608,744/84,244,223.10
  6. Step 6: Final answer
    x = 112,005,617.85

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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.