Home / 86,531,679.48-119,413,744.58-47,375,943.13

Finding the Fourth Proportional to 86,531,679.48, 119,413,744.58 and 47,375,943.13

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Solution

The fourth proportional to 86,531,679.48, 119,413,744.58 and 47,375,943.13 is: 65,378,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,531,679.48 : 119,413,744.58 = 47,375,943.13 : x
  2. Step 2: Convert to fraction form
    86,531,679.48/119,413,744.58 = 47,375,943.13/x
  3. Step 3: Cross multiply
    86,531,679.48x = 119,413,744.58 × 47,375,943.13
  4. Step 4: Simplify right side
    86,531,679.48x = 5,657,338,771,982,331
  5. Step 5: Solve for x
    x = 5,657,338,771,982,331/86,531,679.48
  6. Step 6: Final answer
    x = 65,378,816.24

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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.