Home / 87,325,013.68-120,506,407.56-48,165,949.78

Finding the Fourth Proportional to 87,325,013.68, 120,506,407.56 and 48,165,949.78

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Solution

The fourth proportional to 87,325,013.68, 120,506,407.56 and 48,165,949.78 is: 66,467,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,325,013.68 : 120,506,407.56 = 48,165,949.78 : x
  2. Step 2: Convert to fraction form
    87,325,013.68/120,506,407.56 = 48,165,949.78/x
  3. Step 3: Cross multiply
    87,325,013.68x = 120,506,407.56 × 48,165,949.78
  4. Step 4: Simplify right side
    87,325,013.68x = 5,804,305,574,401,907
  5. Step 5: Solve for x
    x = 5,804,305,574,401,907/87,325,013.68
  6. Step 6: Final answer
    x = 66,467,846.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.