Home / 144,924,632.83-199,996,863.06-78,845,605.12

Finding the Fourth Proportional to 144,924,632.83, 199,996,863.06 and 78,845,605.12

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Solution

The fourth proportional to 144,924,632.83, 199,996,863.06 and 78,845,605.12 is: 108,807,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,924,632.83 : 199,996,863.06 = 78,845,605.12 : x
  2. Step 2: Convert to fraction form
    144,924,632.83/199,996,863.06 = 78,845,605.12/x
  3. Step 3: Cross multiply
    144,924,632.83x = 199,996,863.06 × 78,845,605.12
  4. Step 4: Simplify right side
    144,924,632.83x = 15,768,873,690,067,476
  5. Step 5: Solve for x
    x = 15,768,873,690,067,476/144,924,632.83
  6. Step 6: Final answer
    x = 108,807,408.25

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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.