Home / 230,386,729.68-345,418,752.16-84,801,405.60

Finding the Fourth Proportional to 230,386,729.68, 345,418,752.16 and 84,801,405.60

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Solution

The fourth proportional to 230,386,729.68, 345,418,752.16 and 84,801,405.60 is: 127,142,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,386,729.68 : 345,418,752.16 = 84,801,405.60 : x
  2. Step 2: Convert to fraction form
    230,386,729.68/345,418,752.16 = 84,801,405.60/x
  3. Step 3: Cross multiply
    230,386,729.68x = 345,418,752.16 × 84,801,405.60
  4. Step 4: Simplify right side
    230,386,729.68x = 29,291,995,703,766,036
  5. Step 5: Solve for x
    x = 29,291,995,703,766,036/230,386,729.68
  6. Step 6: Final answer
    x = 127,142,721.04

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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.