Home / 295,489,320.70-443,233,981.05-142,434,312.70

Finding the Fourth Proportional to 295,489,320.70, 443,233,981.05 and 142,434,312.70

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Solution

The fourth proportional to 295,489,320.70, 443,233,981.05 and 142,434,312.70 is: 213,651,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,320.70 : 443,233,981.05 = 142,434,312.70 : x
  2. Step 2: Convert to fraction form
    295,489,320.70/443,233,981.05 = 142,434,312.70/x
  3. Step 3: Cross multiply
    295,489,320.70x = 443,233,981.05 × 142,434,312.70
  4. Step 4: Simplify right side
    295,489,320.70x = 63,131,727,456,141,568
  5. Step 5: Solve for x
    x = 63,131,727,456,141,568/295,489,320.70
  6. Step 6: Final answer
    x = 213,651,469.05

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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.