Home / 99,694,929.70-149,542,394.55-45,947,217.70

Finding the Fourth Proportional to 99,694,929.70, 149,542,394.55 and 45,947,217.70

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Solution

The fourth proportional to 99,694,929.70, 149,542,394.55 and 45,947,217.70 is: 68,920,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,694,929.70 : 149,542,394.55 = 45,947,217.70 : x
  2. Step 2: Convert to fraction form
    99,694,929.70/149,542,394.55 = 45,947,217.70/x
  3. Step 3: Cross multiply
    99,694,929.70x = 149,542,394.55 × 45,947,217.70
  4. Step 4: Simplify right side
    99,694,929.70x = 6,871,056,957,768,145
  5. Step 5: Solve for x
    x = 6,871,056,957,768,145/99,694,929.70
  6. Step 6: Final answer
    x = 68,920,826.55

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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.