Home / 158,086,668-218,159,601.84-85,734,924

Finding the Fourth Proportional to 158,086,668, 218,159,601.84 and 85,734,924

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Solution

The fourth proportional to 158,086,668, 218,159,601.84 and 85,734,924 is: 118,314,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,086,668 : 218,159,601.84 = 85,734,924 : x
  2. Step 2: Convert to fraction form
    158,086,668/218,159,601.84 = 85,734,924/x
  3. Step 3: Cross multiply
    158,086,668x = 218,159,601.84 × 85,734,924
  4. Step 4: Simplify right side
    158,086,668x = 18,703,896,883,622,660
  5. Step 5: Solve for x
    x = 18,703,896,883,622,660/158,086,668
  6. Step 6: Final answer
    x = 118,314,195.12

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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.