Home / 89,539,879.98-134,302,104.72-54,515,915.76

Finding the Fourth Proportional to 89,539,879.98, 134,302,104.72 and 54,515,915.76

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Solution

The fourth proportional to 89,539,879.98, 134,302,104.72 and 54,515,915.76 is: 81,769,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,539,879.98 : 134,302,104.72 = 54,515,915.76 : x
  2. Step 2: Convert to fraction form
    89,539,879.98/134,302,104.72 = 54,515,915.76/x
  3. Step 3: Cross multiply
    89,539,879.98x = 134,302,104.72 × 54,515,915.76
  4. Step 4: Simplify right side
    89,539,879.98x = 7,321,602,227,306,218
  5. Step 5: Solve for x
    x = 7,321,602,227,306,218/89,539,879.98
  6. Step 6: Final answer
    x = 81,769,176.25

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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.