Home / 88,967,789.78-122,766,203.12-49,274,280.72

Finding the Fourth Proportional to 88,967,789.78, 122,766,203.12 and 49,274,280.72

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Solution

The fourth proportional to 88,967,789.78, 122,766,203.12 and 49,274,280.72 is: 67,993,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,967,789.78 : 122,766,203.12 = 49,274,280.72 : x
  2. Step 2: Convert to fraction form
    88,967,789.78/122,766,203.12 = 49,274,280.72/x
  3. Step 3: Cross multiply
    88,967,789.78x = 122,766,203.12 × 49,274,280.72
  4. Step 4: Simplify right side
    88,967,789.78x = 6,049,216,355,463,420
  5. Step 5: Solve for x
    x = 6,049,216,355,463,420/88,967,789.78
  6. Step 6: Final answer
    x = 67,993,330.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.