Home / 112,211,763.40-168,034,209.90-73,664,576.20

Finding the Fourth Proportional to 112,211,763.40, 168,034,209.90 and 73,664,576.20

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Solution

The fourth proportional to 112,211,763.40, 168,034,209.90 and 73,664,576.20 is: 110,310,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,763.40 : 168,034,209.90 = 73,664,576.20 : x
  2. Step 2: Convert to fraction form
    112,211,763.40/168,034,209.90 = 73,664,576.20/x
  3. Step 3: Cross multiply
    112,211,763.40x = 168,034,209.90 × 73,664,576.20
  4. Step 4: Simplify right side
    112,211,763.40x = 12,378,168,859,385,346
  5. Step 5: Solve for x
    x = 12,378,168,859,385,346/112,211,763.40
  6. Step 6: Final answer
    x = 110,310,795.27

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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.