Home / 147,521,891.99-203,606,858.93-87,987,004.38

Finding the Fourth Proportional to 147,521,891.99, 203,606,858.93 and 87,987,004.38

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Solution

The fourth proportional to 147,521,891.99, 203,606,858.93 and 87,987,004.38 is: 121,437,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,521,891.99 : 203,606,858.93 = 87,987,004.38 : x
  2. Step 2: Convert to fraction form
    147,521,891.99/203,606,858.93 = 87,987,004.38/x
  3. Step 3: Cross multiply
    147,521,891.99x = 203,606,858.93 × 87,987,004.38
  4. Step 4: Simplify right side
    147,521,891.99x = 17,914,757,588,032,018
  5. Step 5: Solve for x
    x = 17,914,757,588,032,018/147,521,891.99
  6. Step 6: Final answer
    x = 121,437,959.79

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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.