Home / 89,147,853.78-133,730,943.24-30,855,436.38

Finding the Fourth Proportional to 89,147,853.78, 133,730,943.24 and 30,855,436.38

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Solution

The fourth proportional to 89,147,853.78, 133,730,943.24 and 30,855,436.38 is: 46,286,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,147,853.78 : 133,730,943.24 = 30,855,436.38 : x
  2. Step 2: Convert to fraction form
    89,147,853.78/133,730,943.24 = 30,855,436.38/x
  3. Step 3: Cross multiply
    89,147,853.78x = 133,730,943.24 × 30,855,436.38
  4. Step 4: Simplify right side
    89,147,853.78x = 4,126,326,611,179,211
  5. Step 5: Solve for x
    x = 4,126,326,611,179,211/89,147,853.78
  6. Step 6: Final answer
    x = 46,286,325.88

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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.