Home / 126,015,390.80-189,023,086.20-95,782,302.80

Finding the Fourth Proportional to 126,015,390.80, 189,023,086.20 and 95,782,302.80

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Solution

The fourth proportional to 126,015,390.80, 189,023,086.20 and 95,782,302.80 is: 143,673,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015,390.80 : 189,023,086.20 = 95,782,302.80 : x
  2. Step 2: Convert to fraction form
    126,015,390.80/189,023,086.20 = 95,782,302.80/x
  3. Step 3: Cross multiply
    126,015,390.80x = 189,023,086.20 × 95,782,302.80
  4. Step 4: Simplify right side
    126,015,390.80x = 18,105,066,478,598,900
  5. Step 5: Solve for x
    x = 18,105,066,478,598,900/126,015,390.80
  6. Step 6: Final answer
    x = 143,673,454.20

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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.