Home / 216,063,392.72-324,109,508.70-75,987,043.88

Finding the Fourth Proportional to 216,063,392.72, 324,109,508.70 and 75,987,043.88

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Solution

The fourth proportional to 216,063,392.72, 324,109,508.70 and 75,987,043.88 is: 113,985,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,063,392.72 : 324,109,508.70 = 75,987,043.88 : x
  2. Step 2: Convert to fraction form
    216,063,392.72/324,109,508.70 = 75,987,043.88/x
  3. Step 3: Cross multiply
    216,063,392.72x = 324,109,508.70 × 75,987,043.88
  4. Step 4: Simplify right side
    216,063,392.72x = 24,628,123,459,512,140
  5. Step 5: Solve for x
    x = 24,628,123,459,512,140/216,063,392.72
  6. Step 6: Final answer
    x = 113,985,637.04

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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.