Home / 89,305,656.66-133,763,178.87-63,319,188.78

Finding the Fourth Proportional to 89,305,656.66, 133,763,178.87 and 63,319,188.78

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Solution

The fourth proportional to 89,305,656.66, 133,763,178.87 and 63,319,188.78 is: 94,840,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,305,656.66 : 133,763,178.87 = 63,319,188.78 : x
  2. Step 2: Convert to fraction form
    89,305,656.66/133,763,178.87 = 63,319,188.78/x
  3. Step 3: Cross multiply
    89,305,656.66x = 133,763,178.87 × 63,319,188.78
  4. Step 4: Simplify right side
    89,305,656.66x = 8,469,775,974,682,438
  5. Step 5: Solve for x
    x = 8,469,775,974,682,438/89,305,656.66
  6. Step 6: Final answer
    x = 94,840,307.90

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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.