Home / 279,230,422.41-385,333,281.75-153,794,299.29

Finding the Fourth Proportional to 279,230,422.41, 385,333,281.75 and 153,794,299.29

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Solution

The fourth proportional to 279,230,422.41, 385,333,281.75 and 153,794,299.29 is: 212,233,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,230,422.41 : 385,333,281.75 = 153,794,299.29 : x
  2. Step 2: Convert to fraction form
    279,230,422.41/385,333,281.75 = 153,794,299.29/x
  3. Step 3: Cross multiply
    279,230,422.41x = 385,333,281.75 × 153,794,299.29
  4. Step 4: Simplify right side
    279,230,422.41x = 59,262,062,059,857,392
  5. Step 5: Solve for x
    x = 59,262,062,059,857,392/279,230,422.41
  6. Step 6: Final answer
    x = 212,233,543.71

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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.