Home / 52,778,414.20-79,167,621.30-18,703,204.60

Finding the Fourth Proportional to 52,778,414.20, 79,167,621.30 and 18,703,204.60

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Solution

The fourth proportional to 52,778,414.20, 79,167,621.30 and 18,703,204.60 is: 28,054,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778,414.20 : 79,167,621.30 = 18,703,204.60 : x
  2. Step 2: Convert to fraction form
    52,778,414.20/79,167,621.30 = 18,703,204.60/x
  3. Step 3: Cross multiply
    52,778,414.20x = 79,167,621.30 × 18,703,204.60
  4. Step 4: Simplify right side
    52,778,414.20x = 1,480,688,218,869,218
  5. Step 5: Solve for x
    x = 1,480,688,218,869,218/52,778,414.20
  6. Step 6: Final answer
    x = 28,054,806.90

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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.