Home / 215,763,604.20-323,676,899.10-70,172,389.80

Finding the Fourth Proportional to 215,763,604.20, 323,676,899.10 and 70,172,389.80

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Solution

The fourth proportional to 215,763,604.20, 323,676,899.10 and 70,172,389.80 is: 105,268,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,763,604.20 : 323,676,899.10 = 70,172,389.80 : x
  2. Step 2: Convert to fraction form
    215,763,604.20/323,676,899.10 = 70,172,389.80/x
  3. Step 3: Cross multiply
    215,763,604.20x = 323,676,899.10 × 70,172,389.80
  4. Step 4: Simplify right side
    215,763,604.20x = 22,713,181,532,900,468
  5. Step 5: Solve for x
    x = 22,713,181,532,900,468/215,763,604.20
  6. Step 6: Final answer
    x = 105,268,827.04

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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.