Home / 126,027,095.20-189,040,642.80-100,517,927.20

Finding the Fourth Proportional to 126,027,095.20, 189,040,642.80 and 100,517,927.20

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Solution

The fourth proportional to 126,027,095.20, 189,040,642.80 and 100,517,927.20 is: 150,776,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027,095.20 : 189,040,642.80 = 100,517,927.20 : x
  2. Step 2: Convert to fraction form
    126,027,095.20/189,040,642.80 = 100,517,927.20/x
  3. Step 3: Cross multiply
    126,027,095.20x = 189,040,642.80 × 100,517,927.20
  4. Step 4: Simplify right side
    126,027,095.20x = 19,001,973,570,811,604
  5. Step 5: Solve for x
    x = 19,001,973,570,811,604/126,027,095.20
  6. Step 6: Final answer
    x = 150,776,890.80

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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.