Home / 280,908,049.20-421,362,073.80-229,847,722.80

Finding the Fourth Proportional to 280,908,049.20, 421,362,073.80 and 229,847,722.80

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Solution

The fourth proportional to 280,908,049.20, 421,362,073.80 and 229,847,722.80 is: 344,771,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,049.20 : 421,362,073.80 = 229,847,722.80 : x
  2. Step 2: Convert to fraction form
    280,908,049.20/421,362,073.80 = 229,847,722.80/x
  3. Step 3: Cross multiply
    280,908,049.20x = 421,362,073.80 × 229,847,722.80
  4. Step 4: Simplify right side
    280,908,049.20x = 96,849,113,137,215,552
  5. Step 5: Solve for x
    x = 96,849,113,137,215,552/280,908,049.20
  6. Step 6: Final answer
    x = 344,771,584.20

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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.