Home / 75,260,612.85-112,877,902.98-19,929,243.73

Finding the Fourth Proportional to 75,260,612.85, 112,877,902.98 and 19,929,243.73

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Solution

The fourth proportional to 75,260,612.85, 112,877,902.98 and 19,929,243.73 is: 29,890,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260,612.85 : 112,877,902.98 = 19,929,243.73 : x
  2. Step 2: Convert to fraction form
    75,260,612.85/112,877,902.98 = 19,929,243.73/x
  3. Step 3: Cross multiply
    75,260,612.85x = 112,877,902.98 × 19,929,243.73
  4. Step 4: Simplify right side
    75,260,612.85x = 2,249,571,239,555,677.75
  5. Step 5: Solve for x
    x = 2,249,571,239,555,677.75/75,260,612.85
  6. Step 6: Final answer
    x = 29,890,418.83

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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.