Home / 229,720,920.68-317,018,654.34-125,298,999.56

Finding the Fourth Proportional to 229,720,920.68, 317,018,654.34 and 125,298,999.56

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Solution

The fourth proportional to 229,720,920.68, 317,018,654.34 and 125,298,999.56 is: 172,914,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,720,920.68 : 317,018,654.34 = 125,298,999.56 : x
  2. Step 2: Convert to fraction form
    229,720,920.68/317,018,654.34 = 125,298,999.56/x
  3. Step 3: Cross multiply
    229,720,920.68x = 317,018,654.34 × 125,298,999.56
  4. Step 4: Simplify right side
    229,720,920.68x = 39,722,120,230,659,448
  5. Step 5: Solve for x
    x = 39,722,120,230,659,448/229,720,920.68
  6. Step 6: Final answer
    x = 172,914,683.23

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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.