Home / 115,399,058.56-159,261,384-63,890,834.56

Finding the Fourth Proportional to 115,399,058.56, 159,261,384 and 63,890,834.56

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Solution

The fourth proportional to 115,399,058.56, 159,261,384 and 63,890,834.56 is: 88,175,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,399,058.56 : 159,261,384 = 63,890,834.56 : x
  2. Step 2: Convert to fraction form
    115,399,058.56/159,261,384 = 63,890,834.56/x
  3. Step 3: Cross multiply
    115,399,058.56x = 159,261,384 × 63,890,834.56
  4. Step 4: Simplify right side
    115,399,058.56x = 10,175,342,736,940,632
  5. Step 5: Solve for x
    x = 10,175,342,736,940,632/115,399,058.56
  6. Step 6: Final answer
    x = 88,175,266.45

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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.