Home / 91,799,733.12-126,685,903.44-49,986,090.72

Finding the Fourth Proportional to 91,799,733.12, 126,685,903.44 and 49,986,090.72

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Solution

The fourth proportional to 91,799,733.12, 126,685,903.44 and 49,986,090.72 is: 68,982,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799,733.12 : 126,685,903.44 = 49,986,090.72 : x
  2. Step 2: Convert to fraction form
    91,799,733.12/126,685,903.44 = 49,986,090.72/x
  3. Step 3: Cross multiply
    91,799,733.12x = 126,685,903.44 × 49,986,090.72
  4. Step 4: Simplify right side
    91,799,733.12x = 6,332,533,062,297,000
  5. Step 5: Solve for x
    x = 6,332,533,062,297,000/91,799,733.12
  6. Step 6: Final answer
    x = 68,982,042.18

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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.