Home / 261,981,332.48-393,062,632.32-89,579,498.24

Finding the Fourth Proportional to 261,981,332.48, 393,062,632.32 and 89,579,498.24

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Solution

The fourth proportional to 261,981,332.48, 393,062,632.32 and 89,579,498.24 is: 134,400,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,981,332.48 : 393,062,632.32 = 89,579,498.24 : x
  2. Step 2: Convert to fraction form
    261,981,332.48/393,062,632.32 = 89,579,498.24/x
  3. Step 3: Cross multiply
    261,981,332.48x = 393,062,632.32 × 89,579,498.24
  4. Step 4: Simplify right side
    261,981,332.48x = 35,210,353,380,119,204
  5. Step 5: Solve for x
    x = 35,210,353,380,119,204/261,981,332.48
  6. Step 6: Final answer
    x = 134,400,237.78

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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.