Home / 40,975,876.20-61,463,814.30-31,905,949.80

Finding the Fourth Proportional to 40,975,876.20, 61,463,814.30 and 31,905,949.80

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Solution

The fourth proportional to 40,975,876.20, 61,463,814.30 and 31,905,949.80 is: 47,858,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,975,876.20 : 61,463,814.30 = 31,905,949.80 : x
  2. Step 2: Convert to fraction form
    40,975,876.20/61,463,814.30 = 31,905,949.80/x
  3. Step 3: Cross multiply
    40,975,876.20x = 61,463,814.30 × 31,905,949.80
  4. Step 4: Simplify right side
    40,975,876.20x = 1,961,061,373,572,322
  5. Step 5: Solve for x
    x = 1,961,061,373,572,322/40,975,876.20
  6. Step 6: Final answer
    x = 47,858,924.70

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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.