Home / 91,799,729.63-126,685,898.63-49,986,087.21

Finding the Fourth Proportional to 91,799,729.63, 126,685,898.63 and 49,986,087.21

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Solution

The fourth proportional to 91,799,729.63, 126,685,898.63 and 49,986,087.21 is: 68,982,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799,729.63 : 126,685,898.63 = 49,986,087.21 : x
  2. Step 2: Convert to fraction form
    91,799,729.63/126,685,898.63 = 49,986,087.21/x
  3. Step 3: Cross multiply
    91,799,729.63x = 126,685,898.63 × 49,986,087.21
  4. Step 4: Simplify right side
    91,799,729.63x = 6,332,532,376,946,469
  5. Step 5: Solve for x
    x = 6,332,532,376,946,469/91,799,729.63
  6. Step 6: Final answer
    x = 68,982,037.34

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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.