Home / 155,796,115.67-214,979,908.68-89,738,097.78

Finding the Fourth Proportional to 155,796,115.67, 214,979,908.68 and 89,738,097.78

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Solution

The fourth proportional to 155,796,115.67, 214,979,908.68 and 89,738,097.78 is: 123,827,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,796,115.67 : 214,979,908.68 = 89,738,097.78 : x
  2. Step 2: Convert to fraction form
    155,796,115.67/214,979,908.68 = 89,738,097.78/x
  3. Step 3: Cross multiply
    155,796,115.67x = 214,979,908.68 × 89,738,097.78
  4. Step 4: Simplify right side
    155,796,115.67x = 19,291,888,066,667,484
  5. Step 5: Solve for x
    x = 19,291,888,066,667,484/155,796,115.67
  6. Step 6: Final answer
    x = 123,827,785.97

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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.