Home / 118,711,539.54-177,804,213.17-91,215,438.30

Finding the Fourth Proportional to 118,711,539.54, 177,804,213.17 and 91,215,438.30

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Solution

The fourth proportional to 118,711,539.54, 177,804,213.17 and 91,215,438.30 is: 136,620,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,711,539.54 : 177,804,213.17 = 91,215,438.30 : x
  2. Step 2: Convert to fraction form
    118,711,539.54/177,804,213.17 = 91,215,438.30/x
  3. Step 3: Cross multiply
    118,711,539.54x = 177,804,213.17 × 91,215,438.30
  4. Step 4: Simplify right side
    118,711,539.54x = 16,218,489,235,432,104
  5. Step 5: Solve for x
    x = 16,218,489,235,432,104/118,711,539.54
  6. Step 6: Final answer
    x = 136,620,999.93

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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.