Home / 115,073,286.48-158,838,979.32-91,594,890

Finding the Fourth Proportional to 115,073,286.48, 158,838,979.32 and 91,594,890

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Solution

The fourth proportional to 115,073,286.48, 158,838,979.32 and 91,594,890 is: 126,431,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,073,286.48 : 158,838,979.32 = 91,594,890 : x
  2. Step 2: Convert to fraction form
    115,073,286.48/158,838,979.32 = 91,594,890/x
  3. Step 3: Cross multiply
    115,073,286.48x = 158,838,979.32 × 91,594,890
  4. Step 4: Simplify right side
    115,073,286.48x = 14,548,838,838,527,674
  5. Step 5: Solve for x
    x = 14,548,838,838,527,674/115,073,286.48
  6. Step 6: Final answer
    x = 126,431,070.87

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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.