Home / 187,217,511.10-280,826,266.65-85,180,839.10

Finding the Fourth Proportional to 187,217,511.10, 280,826,266.65 and 85,180,839.10

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Solution

The fourth proportional to 187,217,511.10, 280,826,266.65 and 85,180,839.10 is: 127,771,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,217,511.10 : 280,826,266.65 = 85,180,839.10 : x
  2. Step 2: Convert to fraction form
    187,217,511.10/280,826,266.65 = 85,180,839.10/x
  3. Step 3: Cross multiply
    187,217,511.10x = 280,826,266.65 × 85,180,839.10
  4. Step 4: Simplify right side
    187,217,511.10x = 23,921,017,034,567,344
  5. Step 5: Solve for x
    x = 23,921,017,034,567,344/187,217,511.10
  6. Step 6: Final answer
    x = 127,771,258.65

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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.