Home / 75,013,048.92-112,373,982.49-55,281,340.52

Finding the Fourth Proportional to 75,013,048.92, 112,373,982.49 and 55,281,340.52

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Solution

The fourth proportional to 75,013,048.92, 112,373,982.49 and 55,281,340.52 is: 82,814,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,013,048.92 : 112,373,982.49 = 55,281,340.52 : x
  2. Step 2: Convert to fraction form
    75,013,048.92/112,373,982.49 = 55,281,340.52/x
  3. Step 3: Cross multiply
    75,013,048.92x = 112,373,982.49 × 55,281,340.52
  4. Step 4: Simplify right side
    75,013,048.92x = 6,212,184,391,056,337
  5. Step 5: Solve for x
    x = 6,212,184,391,056,337/75,013,048.92
  6. Step 6: Final answer
    x = 82,814,716.65

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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.