Home / 235,873,600.80-353,810,401.20-120,819,904.80

Finding the Fourth Proportional to 235,873,600.80, 353,810,401.20 and 120,819,904.80

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Solution

The fourth proportional to 235,873,600.80, 353,810,401.20 and 120,819,904.80 is: 181,229,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,873,600.80 : 353,810,401.20 = 120,819,904.80 : x
  2. Step 2: Convert to fraction form
    235,873,600.80/353,810,401.20 = 120,819,904.80/x
  3. Step 3: Cross multiply
    235,873,600.80x = 353,810,401.20 × 120,819,904.80
  4. Step 4: Simplify right side
    235,873,600.80x = 42,747,338,990,233,800
  5. Step 5: Solve for x
    x = 42,747,338,990,233,800/235,873,600.80
  6. Step 6: Final answer
    x = 181,229,857.20

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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.