Home / 113,173,611-156,179,584.80-61,665,387

Finding the Fourth Proportional to 113,173,611, 156,179,584.80 and 61,665,387

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Solution

The fourth proportional to 113,173,611, 156,179,584.80 and 61,665,387 is: 85,098,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,173,611 : 156,179,584.80 = 61,665,387 : x
  2. Step 2: Convert to fraction form
    113,173,611/156,179,584.80 = 61,665,387/x
  3. Step 3: Cross multiply
    113,173,611x = 156,179,584.80 × 61,665,387
  4. Step 4: Simplify right side
    113,173,611x = 9,630,874,538,191,318
  5. Step 5: Solve for x
    x = 9,630,874,538,191,318/113,173,611
  6. Step 6: Final answer
    x = 85,098,234.94

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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.