Home / 157,270,844.16-217,025,982.72-87,661,958.40

Finding the Fourth Proportional to 157,270,844.16, 217,025,982.72 and 87,661,958.40

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Solution

The fourth proportional to 157,270,844.16, 217,025,982.72 and 87,661,958.40 is: 120,969,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,270,844.16 : 217,025,982.72 = 87,661,958.40 : x
  2. Step 2: Convert to fraction form
    157,270,844.16/217,025,982.72 = 87,661,958.40/x
  3. Step 3: Cross multiply
    157,270,844.16x = 217,025,982.72 × 87,661,958.40
  4. Step 4: Simplify right side
    157,270,844.16x = 19,024,922,668,919,760
  5. Step 5: Solve for x
    x = 19,024,922,668,919,760/157,270,844.16
  6. Step 6: Final answer
    x = 120,969,164.82

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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.