Home / 126,015,369.80-189,023,054.70-95,782,281.80

Finding the Fourth Proportional to 126,015,369.80, 189,023,054.70 and 95,782,281.80

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Solution

The fourth proportional to 126,015,369.80, 189,023,054.70 and 95,782,281.80 is: 143,673,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015,369.80 : 189,023,054.70 = 95,782,281.80 : x
  2. Step 2: Convert to fraction form
    126,015,369.80/189,023,054.70 = 95,782,281.80/x
  3. Step 3: Cross multiply
    126,015,369.80x = 189,023,054.70 × 95,782,281.80
  4. Step 4: Simplify right side
    126,015,369.80x = 18,105,059,491,972,212
  5. Step 5: Solve for x
    x = 18,105,059,491,972,212/126,015,369.80
  6. Step 6: Final answer
    x = 143,673,422.70

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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.