Home / 49,963,609.80-74,973,408.30-21,204,851.40

Finding the Fourth Proportional to 49,963,609.80, 74,973,408.30 and 21,204,851.40

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Solution

The fourth proportional to 49,963,609.80, 74,973,408.30 and 21,204,851.40 is: 31,819,157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,963,609.80 : 74,973,408.30 = 21,204,851.40 : x
  2. Step 2: Convert to fraction form
    49,963,609.80/74,973,408.30 = 21,204,851.40/x
  3. Step 3: Cross multiply
    49,963,609.80x = 74,973,408.30 × 21,204,851.40
  4. Step 4: Simplify right side
    49,963,609.80x = 1,589,799,981,953,026.50
  5. Step 5: Solve for x
    x = 1,589,799,981,953,026.50/49,963,609.80
  6. Step 6: Final answer
    x = 31,819,157.75

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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.