Home / 144,642,901.08-199,609,833.06-81,932,019.47

Finding the Fourth Proportional to 144,642,901.08, 199,609,833.06 and 81,932,019.47

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Solution

The fourth proportional to 144,642,901.08, 199,609,833.06 and 81,932,019.47 is: 113,067,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,642,901.08 : 199,609,833.06 = 81,932,019.47 : x
  2. Step 2: Convert to fraction form
    144,642,901.08/199,609,833.06 = 81,932,019.47/x
  3. Step 3: Cross multiply
    144,642,901.08x = 199,609,833.06 × 81,932,019.47
  4. Step 4: Simplify right side
    144,642,901.08x = 16,354,436,727,677,322
  5. Step 5: Solve for x
    x = 16,354,436,727,677,322/144,642,901.08
  6. Step 6: Final answer
    x = 113,067,676.36

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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.