Home / 112,363,177.28-168,544,765.92-31,584,145.28

Finding the Fourth Proportional to 112,363,177.28, 168,544,765.92 and 31,584,145.28

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Solution

The fourth proportional to 112,363,177.28, 168,544,765.92 and 31,584,145.28 is: 47,376,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,363,177.28 : 168,544,765.92 = 31,584,145.28 : x
  2. Step 2: Convert to fraction form
    112,363,177.28/168,544,765.92 = 31,584,145.28/x
  3. Step 3: Cross multiply
    112,363,177.28x = 168,544,765.92 × 31,584,145.28
  4. Step 4: Simplify right side
    112,363,177.28x = 5,323,342,373,000,873
  5. Step 5: Solve for x
    x = 5,323,342,373,000,873/112,363,177.28
  6. Step 6: Final answer
    x = 47,376,217.92

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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.