Home / 56,479,505.10-84,731,067.45-18,144,894.30

Finding the Fourth Proportional to 56,479,505.10, 84,731,067.45 and 18,144,894.30

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Solution

The fourth proportional to 56,479,505.10, 84,731,067.45 and 18,144,894.30 is: 27,221,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479,505.10 : 84,731,067.45 = 18,144,894.30 : x
  2. Step 2: Convert to fraction form
    56,479,505.10/84,731,067.45 = 18,144,894.30/x
  3. Step 3: Cross multiply
    56,479,505.10x = 84,731,067.45 × 18,144,894.30
  4. Step 4: Simplify right side
    56,479,505.10x = 1,537,436,262,806,420.75
  5. Step 5: Solve for x
    x = 1,537,436,262,806,420.75/56,479,505.10
  6. Step 6: Final answer
    x = 27,221,135.53

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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.