Home / 221,011,647.20-330,879,741.60-195,502,479.20

Finding the Fourth Proportional to 221,011,647.20, 330,879,741.60 and 195,502,479.20

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Solution

The fourth proportional to 221,011,647.20, 330,879,741.60 and 195,502,479.20 is: 292,689,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,011,647.20 : 330,879,741.60 = 195,502,479.20 : x
  2. Step 2: Convert to fraction form
    221,011,647.20/330,879,741.60 = 195,502,479.20/x
  3. Step 3: Cross multiply
    221,011,647.20x = 330,879,741.60 × 195,502,479.20
  4. Step 4: Simplify right side
    221,011,647.20x = 64,687,809,799,855,376
  5. Step 5: Solve for x
    x = 64,687,809,799,855,376/221,011,647.20
  6. Step 6: Final answer
    x = 292,689,596.31

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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.