Home / 91,524,297.20-126,304,441.29-49,709,178.77

Finding the Fourth Proportional to 91,524,297.20, 126,304,441.29 and 49,709,178.77

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Solution

The fourth proportional to 91,524,297.20, 126,304,441.29 and 49,709,178.77 is: 68,599,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,524,297.20 : 126,304,441.29 = 49,709,178.77 : x
  2. Step 2: Convert to fraction form
    91,524,297.20/126,304,441.29 = 49,709,178.77/x
  3. Step 3: Cross multiply
    91,524,297.20x = 126,304,441.29 × 49,709,178.77
  4. Step 4: Simplify right side
    91,524,297.20x = 6,278,490,050,898,058
  5. Step 5: Solve for x
    x = 6,278,490,050,898,058/91,524,297.20
  6. Step 6: Final answer
    x = 68,599,161.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.