Home / 221,440,320.80-332,160,481.20-156,817,095.20

Finding the Fourth Proportional to 221,440,320.80, 332,160,481.20 and 156,817,095.20

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Solution

The fourth proportional to 221,440,320.80, 332,160,481.20 and 156,817,095.20 is: 235,225,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,440,320.80 : 332,160,481.20 = 156,817,095.20 : x
  2. Step 2: Convert to fraction form
    221,440,320.80/332,160,481.20 = 156,817,095.20/x
  3. Step 3: Cross multiply
    221,440,320.80x = 332,160,481.20 × 156,817,095.20
  4. Step 4: Simplify right side
    221,440,320.80x = 52,088,441,802,018,208
  5. Step 5: Solve for x
    x = 52,088,441,802,018,208/221,440,320.80
  6. Step 6: Final answer
    x = 235,225,642.80

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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.