Home / 221,472,700.80-332,209,051.20-98,650,780.80

Finding the Fourth Proportional to 221,472,700.80, 332,209,051.20 and 98,650,780.80

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Solution

The fourth proportional to 221,472,700.80, 332,209,051.20 and 98,650,780.80 is: 147,976,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,472,700.80 : 332,209,051.20 = 98,650,780.80 : x
  2. Step 2: Convert to fraction form
    221,472,700.80/332,209,051.20 = 98,650,780.80/x
  3. Step 3: Cross multiply
    221,472,700.80x = 332,209,051.20 × 98,650,780.80
  4. Step 4: Simplify right side
    221,472,700.80x = 32,772,682,289,707,176
  5. Step 5: Solve for x
    x = 32,772,682,289,707,176/221,472,700.80
  6. Step 6: Final answer
    x = 147,976,171.20

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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.