Home / 140,628,625.98-194,067,475.83-77,908,799.58

Finding the Fourth Proportional to 140,628,625.98, 194,067,475.83 and 77,908,799.58

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Solution

The fourth proportional to 140,628,625.98, 194,067,475.83 and 77,908,799.58 is: 107,514,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,628,625.98 : 194,067,475.83 = 77,908,799.58 : x
  2. Step 2: Convert to fraction form
    140,628,625.98/194,067,475.83 = 77,908,799.58/x
  3. Step 3: Cross multiply
    140,628,625.98x = 194,067,475.83 × 77,908,799.58
  4. Step 4: Simplify right side
    140,628,625.98x = 15,119,564,079,435,964
  5. Step 5: Solve for x
    x = 15,119,564,079,435,964/140,628,625.98
  6. Step 6: Final answer
    x = 107,514,127.90

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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.