Home / 43,127,463.50-64,711,396.74-21,255,919.76

Finding the Fourth Proportional to 43,127,463.50, 64,711,396.74 and 21,255,919.76

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Solution

The fourth proportional to 43,127,463.50, 64,711,396.74 and 21,255,919.76 is: 31,893,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127,463.50 : 64,711,396.74 = 21,255,919.76 : x
  2. Step 2: Convert to fraction form
    43,127,463.50/64,711,396.74 = 21,255,919.76/x
  3. Step 3: Cross multiply
    43,127,463.50x = 64,711,396.74 × 21,255,919.76
  4. Step 4: Simplify right side
    43,127,463.50x = 1,375,500,256,339,408.50
  5. Step 5: Solve for x
    x = 1,375,500,256,339,408.50/43,127,463.50
  6. Step 6: Final answer
    x = 31,893,836.20

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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.