Home / 85,215,002.55-127,822,503.83-85,215,002.55

Finding the Fourth Proportional to 85,215,002.55, 127,822,503.83 and 85,215,002.55

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Solution

The fourth proportional to 85,215,002.55, 127,822,503.83 and 85,215,002.55 is: 127,822,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215,002.55 : 127,822,503.83 = 85,215,002.55 : x
  2. Step 2: Convert to fraction form
    85,215,002.55/127,822,503.83 = 85,215,002.55/x
  3. Step 3: Cross multiply
    85,215,002.55x = 127,822,503.83 × 85,215,002.55
  4. Step 4: Simplify right side
    85,215,002.55x = 10,892,394,989,394,760
  5. Step 5: Solve for x
    x = 10,892,394,989,394,760/85,215,002.55
  6. Step 6: Final answer
    x = 127,822,503.83

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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.