Home / 382,478,110.80-573,717,166.20-123,719,487.90

Finding the Fourth Proportional to 382,478,110.80, 573,717,166.20 and 123,719,487.90

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Solution

The fourth proportional to 382,478,110.80, 573,717,166.20 and 123,719,487.90 is: 185,579,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,478,110.80 : 573,717,166.20 = 123,719,487.90 : x
  2. Step 2: Convert to fraction form
    382,478,110.80/573,717,166.20 = 123,719,487.90/x
  3. Step 3: Cross multiply
    382,478,110.80x = 573,717,166.20 × 123,719,487.90
  4. Step 4: Simplify right side
    382,478,110.80x = 70,979,994,001,703,200
  5. Step 5: Solve for x
    x = 70,979,994,001,703,200/382,478,110.80
  6. Step 6: Final answer
    x = 185,579,231.85

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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.