Home / 288,167,846.24-397,668,770.52-156,005,346.44

Finding the Fourth Proportional to 288,167,846.24, 397,668,770.52 and 156,005,346.44

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Solution

The fourth proportional to 288,167,846.24, 397,668,770.52 and 156,005,346.44 is: 215,285,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,167,846.24 : 397,668,770.52 = 156,005,346.44 : x
  2. Step 2: Convert to fraction form
    288,167,846.24/397,668,770.52 = 156,005,346.44/x
  3. Step 3: Cross multiply
    288,167,846.24x = 397,668,770.52 × 156,005,346.44
  4. Step 4: Simplify right side
    288,167,846.24x = 62,038,454,313,341,456
  5. Step 5: Solve for x
    x = 62,038,454,313,341,456/288,167,846.24
  6. Step 6: Final answer
    x = 215,285,831.24

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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.