Home / 82,257,250.38-122,650,474.59-79,997,297.55

Finding the Fourth Proportional to 82,257,250.38, 122,650,474.59 and 79,997,297.55

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Solution

The fourth proportional to 82,257,250.38, 122,650,474.59 and 79,997,297.55 is: 119,280,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,257,250.38 : 122,650,474.59 = 79,997,297.55 : x
  2. Step 2: Convert to fraction form
    82,257,250.38/122,650,474.59 = 79,997,297.55/x
  3. Step 3: Cross multiply
    82,257,250.38x = 122,650,474.59 × 79,997,297.55
  4. Step 4: Simplify right side
    82,257,250.38x = 9,811,706,510,424,944
  5. Step 5: Solve for x
    x = 9,811,706,510,424,944/82,257,250.38
  6. Step 6: Final answer
    x = 119,280,749.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.