Home / 56,945,972.20-78,585,447.78-31,191,860.20

Finding the Fourth Proportional to 56,945,972.20, 78,585,447.78 and 31,191,860.20

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Solution

The fourth proportional to 56,945,972.20, 78,585,447.78 and 31,191,860.20 is: 43,044,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,945,972.20 : 78,585,447.78 = 31,191,860.20 : x
  2. Step 2: Convert to fraction form
    56,945,972.20/78,585,447.78 = 31,191,860.20/x
  3. Step 3: Cross multiply
    56,945,972.20x = 78,585,447.78 × 31,191,860.20
  4. Step 4: Simplify right side
    56,945,972.20x = 2,451,226,300,908,160.50
  5. Step 5: Solve for x
    x = 2,451,226,300,908,160.50/56,945,972.20
  6. Step 6: Final answer
    x = 43,044,770.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.