Home / 288,275,292.92-397,817,923.31-156,113,265.06

Finding the Fourth Proportional to 288,275,292.92, 397,817,923.31 and 156,113,265.06

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Solution

The fourth proportional to 288,275,292.92, 397,817,923.31 and 156,113,265.06 is: 215,435,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,275,292.92 : 397,817,923.31 = 156,113,265.06 : x
  2. Step 2: Convert to fraction form
    288,275,292.92/397,817,923.31 = 156,113,265.06/x
  3. Step 3: Cross multiply
    288,275,292.92x = 397,817,923.31 × 156,113,265.06
  4. Step 4: Simplify right side
    288,275,292.92x = 62,104,654,906,532,216
  5. Step 5: Solve for x
    x = 62,104,654,906,532,216/288,275,292.92
  6. Step 6: Final answer
    x = 215,435,233.03

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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.