Home / 206,714,765.48-310,055,865.42-90,127,370.12

Finding the Fourth Proportional to 206,714,765.48, 310,055,865.42 and 90,127,370.12

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Solution

The fourth proportional to 206,714,765.48, 310,055,865.42 and 90,127,370.12 is: 135,183,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,714,765.48 : 310,055,865.42 = 90,127,370.12 : x
  2. Step 2: Convert to fraction form
    206,714,765.48/310,055,865.42 = 90,127,370.12/x
  3. Step 3: Cross multiply
    206,714,765.48x = 310,055,865.42 × 90,127,370.12
  4. Step 4: Simplify right side
    206,714,765.48x = 27,944,519,740,585,252
  5. Step 5: Solve for x
    x = 27,944,519,740,585,252/206,714,765.48
  6. Step 6: Final answer
    x = 135,183,955.90

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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.