Home / 85,126,632.40-127,689,948.60-49,206,350.80

Finding the Fourth Proportional to 85,126,632.40, 127,689,948.60 and 49,206,350.80

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Solution

The fourth proportional to 85,126,632.40, 127,689,948.60 and 49,206,350.80 is: 73,809,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,126,632.40 : 127,689,948.60 = 49,206,350.80 : x
  2. Step 2: Convert to fraction form
    85,126,632.40/127,689,948.60 = 49,206,350.80/x
  3. Step 3: Cross multiply
    85,126,632.40x = 127,689,948.60 × 49,206,350.80
  4. Step 4: Simplify right side
    85,126,632.40x = 6,283,156,404,445,568
  5. Step 5: Solve for x
    x = 6,283,156,404,445,568/85,126,632.40
  6. Step 6: Final answer
    x = 73,809,526.20

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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.