Home / 399,952,152.07-551,934,780.05-223,743,090.06

Finding the Fourth Proportional to 399,952,152.07, 551,934,780.05 and 223,743,090.06

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Solution

The fourth proportional to 399,952,152.07, 551,934,780.05 and 223,743,090.06 is: 308,765,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,952,152.07 : 551,934,780.05 = 223,743,090.06 : x
  2. Step 2: Convert to fraction form
    399,952,152.07/551,934,780.05 = 223,743,090.06/x
  3. Step 3: Cross multiply
    399,952,152.07x = 551,934,780.05 × 223,743,090.06
  4. Step 4: Simplify right side
    399,952,152.07x = 123,491,593,200,532,800
  5. Step 5: Solve for x
    x = 123,491,593,200,532,800/399,952,152.07
  6. Step 6: Final answer
    x = 308,765,917.53

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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.