Home / 91,229,384.73-125,895,548.66-49,412,409.69

Finding the Fourth Proportional to 91,229,384.73, 125,895,548.66 and 49,412,409.69

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Solution

The fourth proportional to 91,229,384.73, 125,895,548.66 and 49,412,409.69 is: 68,188,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,229,384.73 : 125,895,548.66 = 49,412,409.69 : x
  2. Step 2: Convert to fraction form
    91,229,384.73/125,895,548.66 = 49,412,409.69/x
  3. Step 3: Cross multiply
    91,229,384.73x = 125,895,548.66 × 49,412,409.69
  4. Step 4: Simplify right side
    91,229,384.73x = 6,220,802,428,288,188
  5. Step 5: Solve for x
    x = 6,220,802,428,288,188/91,229,384.73
  6. Step 6: Final answer
    x = 68,188,582.51

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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.