Home / 162,115,915.20-243,188,821.80-52,941,658.43

Finding the Fourth Proportional to 162,115,915.20, 243,188,821.80 and 52,941,658.43

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Solution

The fourth proportional to 162,115,915.20, 243,188,821.80 and 52,941,658.43 is: 79,417,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,115,915.20 : 243,188,821.80 = 52,941,658.43 : x
  2. Step 2: Convert to fraction form
    162,115,915.20/243,188,821.80 = 52,941,658.43/x
  3. Step 3: Cross multiply
    162,115,915.20x = 243,188,821.80 × 52,941,658.43
  4. Step 4: Simplify right side
    162,115,915.20x = 12,874,819,536,513,794
  5. Step 5: Solve for x
    x = 12,874,819,536,513,794/162,115,915.20
  6. Step 6: Final answer
    x = 79,417,369.48

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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.