Home / 187,217,538.60-280,826,307.90-85,180,866.60

Finding the Fourth Proportional to 187,217,538.60, 280,826,307.90 and 85,180,866.60

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Solution

The fourth proportional to 187,217,538.60, 280,826,307.90 and 85,180,866.60 is: 127,771,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,217,538.60 : 280,826,307.90 = 85,180,866.60 : x
  2. Step 2: Convert to fraction form
    187,217,538.60/280,826,307.90 = 85,180,866.60/x
  3. Step 3: Cross multiply
    187,217,538.60x = 280,826,307.90 × 85,180,866.60
  4. Step 4: Simplify right side
    187,217,538.60x = 23,921,028,271,000,424
  5. Step 5: Solve for x
    x = 23,921,028,271,000,424/187,217,538.60
  6. Step 6: Final answer
    x = 127,771,299.90

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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.