Home / 112,211,778.90-168,034,233.15-73,664,591.70

Finding the Fourth Proportional to 112,211,778.90, 168,034,233.15 and 73,664,591.70

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Solution

The fourth proportional to 112,211,778.90, 168,034,233.15 and 73,664,591.70 is: 110,310,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,778.90 : 168,034,233.15 = 73,664,591.70 : x
  2. Step 2: Convert to fraction form
    112,211,778.90/168,034,233.15 = 73,664,591.70/x
  3. Step 3: Cross multiply
    112,211,778.90x = 168,034,233.15 × 73,664,591.70
  4. Step 4: Simplify right side
    112,211,778.90x = 12,378,173,176,617,356
  5. Step 5: Solve for x
    x = 12,378,173,176,617,356/112,211,778.90
  6. Step 6: Final answer
    x = 110,310,818.51

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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.