Home / 85,880,195.10-128,776,163.85-25,288,047.90

Finding the Fourth Proportional to 85,880,195.10, 128,776,163.85 and 25,288,047.90

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Solution

The fourth proportional to 85,880,195.10, 128,776,163.85 and 25,288,047.90 is: 37,919,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,880,195.10 : 128,776,163.85 = 25,288,047.90 : x
  2. Step 2: Convert to fraction form
    85,880,195.10/128,776,163.85 = 25,288,047.90/x
  3. Step 3: Cross multiply
    85,880,195.10x = 128,776,163.85 × 25,288,047.90
  4. Step 4: Simplify right side
    85,880,195.10x = 3,256,497,799,817,048
  5. Step 5: Solve for x
    x = 3,256,497,799,817,048/85,880,195.10
  6. Step 6: Final answer
    x = 37,919,077.80

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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.