Home / 272,981,320.20-409,471,980.30-88,748,440.20

Finding the Fourth Proportional to 272,981,320.20, 409,471,980.30 and 88,748,440.20

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Solution

The fourth proportional to 272,981,320.20, 409,471,980.30 and 88,748,440.20 is: 133,122,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,981,320.20 : 409,471,980.30 = 88,748,440.20 : x
  2. Step 2: Convert to fraction form
    272,981,320.20/409,471,980.30 = 88,748,440.20/x
  3. Step 3: Cross multiply
    272,981,320.20x = 409,471,980.30 × 88,748,440.20
  4. Step 4: Simplify right side
    272,981,320.20x = 36,339,999,557,230,128
  5. Step 5: Solve for x
    x = 36,339,999,557,230,128/272,981,320.20
  6. Step 6: Final answer
    x = 133,122,660.30

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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.