Home / 91,587,221.76-137,385,538.56-23,430,504.96

Finding the Fourth Proportional to 91,587,221.76, 137,385,538.56 and 23,430,504.96

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Solution

The fourth proportional to 91,587,221.76, 137,385,538.56 and 23,430,504.96 is: 35,146,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,587,221.76 : 137,385,538.56 = 23,430,504.96 : x
  2. Step 2: Convert to fraction form
    91,587,221.76/137,385,538.56 = 23,430,504.96/x
  3. Step 3: Cross multiply
    91,587,221.76x = 137,385,538.56 × 23,430,504.96
  4. Step 4: Simplify right side
    91,587,221.76x = 3,219,012,542,662,351.50
  5. Step 5: Solve for x
    x = 3,219,012,542,662,351.50/91,587,221.76
  6. Step 6: Final answer
    x = 35,146,961.34

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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.