Home / 280,883,200.70-387,619,454.68-155,444,524.22

Finding the Fourth Proportional to 280,883,200.70, 387,619,454.68 and 155,444,524.22

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Solution

The fourth proportional to 280,883,200.70, 387,619,454.68 and 155,444,524.22 is: 214,513,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,883,200.70 : 387,619,454.68 = 155,444,524.22 : x
  2. Step 2: Convert to fraction form
    280,883,200.70/387,619,454.68 = 155,444,524.22/x
  3. Step 3: Cross multiply
    280,883,200.70x = 387,619,454.68 × 155,444,524.22
  4. Step 4: Simplify right side
    280,883,200.70x = 60,253,321,711,148,456
  5. Step 5: Solve for x
    x = 60,253,321,711,148,456/280,883,200.70
  6. Step 6: Final answer
    x = 214,513,796.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.