Home / 86,531,679.73-119,413,744.93-47,375,943.38

Finding the Fourth Proportional to 86,531,679.73, 119,413,744.93 and 47,375,943.38

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Solution

The fourth proportional to 86,531,679.73, 119,413,744.93 and 47,375,943.38 is: 65,378,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,531,679.73 : 119,413,744.93 = 47,375,943.38 : x
  2. Step 2: Convert to fraction form
    86,531,679.73/119,413,744.93 = 47,375,943.38/x
  3. Step 3: Cross multiply
    86,531,679.73x = 119,413,744.93 × 47,375,943.38
  4. Step 4: Simplify right side
    86,531,679.73x = 5,657,338,818,597,443
  5. Step 5: Solve for x
    x = 5,657,338,818,597,443/86,531,679.73
  6. Step 6: Final answer
    x = 65,378,816.59

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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.