Home / 120,170,918,425.20-180,218,107,004.04-39,477,891,395.76

Finding the Fourth Proportional to 120,170,918,425.20, 180,218,107,004.04 and 39,477,891,395.76

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Solution

The fourth proportional to 120,170,918,425.20, 180,218,107,004.04 and 39,477,891,395.76 is: 59,204,264,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,170,918,425.20 : 180,218,107,004.04 = 39,477,891,395.76 : x
  2. Step 2: Convert to fraction form
    120,170,918,425.20/180,218,107,004.04 = 39,477,891,395.76/x
  3. Step 3: Cross multiply
    120,170,918,425.20x = 180,218,107,004.04 × 39,477,891,395.76
  4. Step 4: Simplify right side
    120,170,918,425.20x = 7,114,630,855,854,945,992,704
  5. Step 5: Solve for x
    x = 7,114,630,855,854,945,992,704/120,170,918,425.20
  6. Step 6: Final answer
    x = 59,204,264,634.82

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1.5x scale

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.