Home / 158,516,081.37-217,976,476.36-137,571,752.38

Finding the Fourth Proportional to 158,516,081.37, 217,976,476.36 and 137,571,752.38

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Solution

The fourth proportional to 158,516,081.37, 217,976,476.36 and 137,571,752.38 is: 189,175,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,516,081.37 : 217,976,476.36 = 137,571,752.38 : x
  2. Step 2: Convert to fraction form
    158,516,081.37/217,976,476.36 = 137,571,752.38/x
  3. Step 3: Cross multiply
    158,516,081.37x = 217,976,476.36 × 137,571,752.38
  4. Step 4: Simplify right side
    158,516,081.37x = 29,987,405,828,685,100
  5. Step 5: Solve for x
    x = 29,987,405,828,685,100/158,516,081.37
  6. Step 6: Final answer
    x = 189,175,795.73

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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.