Home / 320,810,144.87-442,706,545.18-181,577,917.28

Finding the Fourth Proportional to 320,810,144.87, 442,706,545.18 and 181,577,917.28

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Solution

The fourth proportional to 320,810,144.87, 442,706,545.18 and 181,577,917.28 is: 250,571,042.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,810,144.87 : 442,706,545.18 = 181,577,917.28 : x
  2. Step 2: Convert to fraction form
    320,810,144.87/442,706,545.18 = 181,577,917.28/x
  3. Step 3: Cross multiply
    320,810,144.87x = 442,706,545.18 × 181,577,917.28
  4. Step 4: Simplify right side
    320,810,144.87x = 80,385,732,440,008,624
  5. Step 5: Solve for x
    x = 80,385,732,440,008,624/320,810,144.87
  6. Step 6: Final answer
    x = 250,571,042.49

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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.