Home / 88,536,010.70-132,804,016.05-72,380,204.30

Finding the Fourth Proportional to 88,536,010.70, 132,804,016.05 and 72,380,204.30

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Solution

The fourth proportional to 88,536,010.70, 132,804,016.05 and 72,380,204.30 is: 108,570,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,536,010.70 : 132,804,016.05 = 72,380,204.30 : x
  2. Step 2: Convert to fraction form
    88,536,010.70/132,804,016.05 = 72,380,204.30/x
  3. Step 3: Cross multiply
    88,536,010.70x = 132,804,016.05 × 72,380,204.30
  4. Step 4: Simplify right side
    88,536,010.70x = 9,612,381,813,559,478
  5. Step 5: Solve for x
    x = 9,612,381,813,559,478/88,536,010.70
  6. Step 6: Final answer
    x = 108,570,306.45

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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.