Home / 85,582,255.52-128,368,658.02-62,576,765.12

Finding the Fourth Proportional to 85,582,255.52, 128,368,658.02 and 62,576,765.12

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Solution

The fourth proportional to 85,582,255.52, 128,368,658.02 and 62,576,765.12 is: 93,861,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,582,255.52 : 128,368,658.02 = 62,576,765.12 : x
  2. Step 2: Convert to fraction form
    85,582,255.52/128,368,658.02 = 62,576,765.12/x
  3. Step 3: Cross multiply
    85,582,255.52x = 128,368,658.02 × 62,576,765.12
  4. Step 4: Simplify right side
    85,582,255.52x = 8,032,895,361,687,144
  5. Step 5: Solve for x
    x = 8,032,895,361,687,144/85,582,255.52
  6. Step 6: Final answer
    x = 93,861,692.62

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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.