Home / 158,516,081.12-217,976,476.01-137,571,752.13

Finding the Fourth Proportional to 158,516,081.12, 217,976,476.01 and 137,571,752.13

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Solution

The fourth proportional to 158,516,081.12, 217,976,476.01 and 137,571,752.13 is: 189,175,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,516,081.12 : 217,976,476.01 = 137,571,752.13 : x
  2. Step 2: Convert to fraction form
    158,516,081.12/217,976,476.01 = 137,571,752.13/x
  3. Step 3: Cross multiply
    158,516,081.12x = 217,976,476.01 × 137,571,752.13
  4. Step 4: Simplify right side
    158,516,081.12x = 29,987,405,726,952,724
  5. Step 5: Solve for x
    x = 29,987,405,726,952,724/158,516,081.12
  6. Step 6: Final answer
    x = 189,175,795.39

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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.