Home / 159,955,721.34-220,738,841.66-86,616,863.34

Finding the Fourth Proportional to 159,955,721.34, 220,738,841.66 and 86,616,863.34

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Solution

The fourth proportional to 159,955,721.34, 220,738,841.66 and 86,616,863.34 is: 119,531,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,955,721.34 : 220,738,841.66 = 86,616,863.34 : x
  2. Step 2: Convert to fraction form
    159,955,721.34/220,738,841.66 = 86,616,863.34/x
  3. Step 3: Cross multiply
    159,955,721.34x = 220,738,841.66 × 86,616,863.34
  4. Step 4: Simplify right side
    159,955,721.34x = 19,119,706,081,894,120
  5. Step 5: Solve for x
    x = 19,119,706,081,894,120/159,955,721.34
  6. Step 6: Final answer
    x = 119,531,242.28

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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.