Home / 215,723,626.80-323,585,440.20-79,506,769.20

Finding the Fourth Proportional to 215,723,626.80, 323,585,440.20 and 79,506,769.20

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Solution

The fourth proportional to 215,723,626.80, 323,585,440.20 and 79,506,769.20 is: 119,260,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,723,626.80 : 323,585,440.20 = 79,506,769.20 : x
  2. Step 2: Convert to fraction form
    215,723,626.80/323,585,440.20 = 79,506,769.20/x
  3. Step 3: Cross multiply
    215,723,626.80x = 323,585,440.20 × 79,506,769.20
  4. Step 4: Simplify right side
    215,723,626.80x = 25,727,232,910,461,800
  5. Step 5: Solve for x
    x = 25,727,232,910,461,800/215,723,626.80
  6. Step 6: Final answer
    x = 119,260,153.80

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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.