Home / 86,531,678.73-119,413,743.55-47,375,942.38

Finding the Fourth Proportional to 86,531,678.73, 119,413,743.55 and 47,375,942.38

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Solution

The fourth proportional to 86,531,678.73, 119,413,743.55 and 47,375,942.38 is: 65,378,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,531,678.73 : 119,413,743.55 = 47,375,942.38 : x
  2. Step 2: Convert to fraction form
    86,531,678.73/119,413,743.55 = 47,375,942.38/x
  3. Step 3: Cross multiply
    86,531,678.73x = 119,413,743.55 × 47,375,942.38
  4. Step 4: Simplify right side
    86,531,678.73x = 5,657,338,633,387,922
  5. Step 5: Solve for x
    x = 5,657,338,633,387,922/86,531,678.73
  6. Step 6: Final answer
    x = 65,378,815.21

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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.