Home / 308,781,335.87-463,198,160.68-98,722,305.46

Finding the Fourth Proportional to 308,781,335.87, 463,198,160.68 and 98,722,305.46

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Solution

The fourth proportional to 308,781,335.87, 463,198,160.68 and 98,722,305.46 is: 148,091,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,781,335.87 : 463,198,160.68 = 98,722,305.46 : x
  2. Step 2: Convert to fraction form
    308,781,335.87/463,198,160.68 = 98,722,305.46/x
  3. Step 3: Cross multiply
    308,781,335.87x = 463,198,160.68 × 98,722,305.46
  4. Step 4: Simplify right side
    308,781,335.87x = 45,727,990,306,840,208
  5. Step 5: Solve for x
    x = 45,727,990,306,840,208/308,781,335.87
  6. Step 6: Final answer
    x = 148,091,820.96

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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.