Home / 144,642,899.57-199,609,830.99-81,932,017.96

Finding the Fourth Proportional to 144,642,899.57, 199,609,830.99 and 81,932,017.96

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Solution

The fourth proportional to 144,642,899.57, 199,609,830.99 and 81,932,017.96 is: 113,067,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,642,899.57 : 199,609,830.99 = 81,932,017.96 : x
  2. Step 2: Convert to fraction form
    144,642,899.57/199,609,830.99 = 81,932,017.96/x
  3. Step 3: Cross multiply
    144,642,899.57x = 199,609,830.99 × 81,932,017.96
  4. Step 4: Simplify right side
    144,642,899.57x = 16,354,436,257,166,220
  5. Step 5: Solve for x
    x = 16,354,436,257,166,220/144,642,899.57
  6. Step 6: Final answer
    x = 113,067,674.29

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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.