Home / 221,859,009.20-332,788,513.80-119,822,337.20

Finding the Fourth Proportional to 221,859,009.20, 332,788,513.80 and 119,822,337.20

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Solution

The fourth proportional to 221,859,009.20, 332,788,513.80 and 119,822,337.20 is: 179,733,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,859,009.20 : 332,788,513.80 = 119,822,337.20 : x
  2. Step 2: Convert to fraction form
    221,859,009.20/332,788,513.80 = 119,822,337.20/x
  3. Step 3: Cross multiply
    221,859,009.20x = 332,788,513.80 × 119,822,337.20
  4. Step 4: Simplify right side
    221,859,009.20x = 39,875,497,516,830,456
  5. Step 5: Solve for x
    x = 39,875,497,516,830,456/221,859,009.20
  6. Step 6: Final answer
    x = 179,733,505.80

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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.