Home / 146,904,660.60-220,356,990.90-78,880,212.60

Finding the Fourth Proportional to 146,904,660.60, 220,356,990.90 and 78,880,212.60

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Solution

The fourth proportional to 146,904,660.60, 220,356,990.90 and 78,880,212.60 is: 118,320,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,904,660.60 : 220,356,990.90 = 78,880,212.60 : x
  2. Step 2: Convert to fraction form
    146,904,660.60/220,356,990.90 = 78,880,212.60/x
  3. Step 3: Cross multiply
    146,904,660.60x = 220,356,990.90 × 78,880,212.60
  4. Step 4: Simplify right side
    146,904,660.60x = 17,381,806,290,088,264
  5. Step 5: Solve for x
    x = 17,381,806,290,088,264/146,904,660.60
  6. Step 6: Final answer
    x = 118,320,318.90

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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.