Home / 66,876,072.30-100,314,108.45-60,179,915.70

Finding the Fourth Proportional to 66,876,072.30, 100,314,108.45 and 60,179,915.70

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Solution

The fourth proportional to 66,876,072.30, 100,314,108.45 and 60,179,915.70 is: 90,269,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,876,072.30 : 100,314,108.45 = 60,179,915.70 : x
  2. Step 2: Convert to fraction form
    66,876,072.30/100,314,108.45 = 60,179,915.70/x
  3. Step 3: Cross multiply
    66,876,072.30x = 100,314,108.45 × 60,179,915.70
  4. Step 4: Simplify right side
    66,876,072.30x = 6,036,894,590,041,658
  5. Step 5: Solve for x
    x = 6,036,894,590,041,658/66,876,072.30
  6. Step 6: Final answer
    x = 90,269,873.55

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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.