Home / 211,428,198.36-291,896,005.42-133,178,825.56

Finding the Fourth Proportional to 211,428,198.36, 291,896,005.42 and 133,178,825.56

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Solution

The fourth proportional to 211,428,198.36, 291,896,005.42 and 133,178,825.56 is: 183,865,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,428,198.36 : 291,896,005.42 = 133,178,825.56 : x
  2. Step 2: Convert to fraction form
    211,428,198.36/291,896,005.42 = 133,178,825.56/x
  3. Step 3: Cross multiply
    211,428,198.36x = 291,896,005.42 × 133,178,825.56
  4. Step 4: Simplify right side
    211,428,198.36x = 38,874,367,187,491,000
  5. Step 5: Solve for x
    x = 38,874,367,187,491,000/211,428,198.36
  6. Step 6: Final answer
    x = 183,865,574.64

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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.