Home / 131,926,538.49-181,982,983.35-82,280,720.93

Finding the Fourth Proportional to 131,926,538.49, 181,982,983.35 and 82,280,720.93

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Solution

The fourth proportional to 131,926,538.49, 181,982,983.35 and 82,280,720.93 is: 113,500,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926,538.49 : 181,982,983.35 = 82,280,720.93 : x
  2. Step 2: Convert to fraction form
    131,926,538.49/181,982,983.35 = 82,280,720.93/x
  3. Step 3: Cross multiply
    131,926,538.49x = 181,982,983.35 × 82,280,720.93
  4. Step 4: Simplify right side
    131,926,538.49x = 14,973,691,067,793,696
  5. Step 5: Solve for x
    x = 14,973,691,067,793,696/131,926,538.49
  6. Step 6: Final answer
    x = 113,500,219.44

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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.