Home / 144,445,381.12-199,334,593.20-82,567,051.84

Finding the Fourth Proportional to 144,445,381.12, 199,334,593.20 and 82,567,051.84

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Solution

The fourth proportional to 144,445,381.12, 199,334,593.20 and 82,567,051.84 is: 113,942,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,445,381.12 : 199,334,593.20 = 82,567,051.84 : x
  2. Step 2: Convert to fraction form
    144,445,381.12/199,334,593.20 = 82,567,051.84/x
  3. Step 3: Cross multiply
    144,445,381.12x = 199,334,593.20 × 82,567,051.84
  4. Step 4: Simplify right side
    144,445,381.12x = 16,458,469,690,249,712
  5. Step 5: Solve for x
    x = 16,458,469,690,249,712/144,445,381.12
  6. Step 6: Final answer
    x = 113,942,512.82

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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.