Home / 207,231,992.37-286,005,227.49-117,945,646.43

Finding the Fourth Proportional to 207,231,992.37, 286,005,227.49 and 117,945,646.43

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Solution

The fourth proportional to 207,231,992.37, 286,005,227.49 and 117,945,646.43 is: 162,779,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,992.37 : 286,005,227.49 = 117,945,646.43 : x
  2. Step 2: Convert to fraction form
    207,231,992.37/286,005,227.49 = 117,945,646.43/x
  3. Step 3: Cross multiply
    207,231,992.37x = 286,005,227.49 × 117,945,646.43
  4. Step 4: Simplify right side
    207,231,992.37x = 33,733,071,437,237,232
  5. Step 5: Solve for x
    x = 33,733,071,437,237,232/207,231,992.37
  6. Step 6: Final answer
    x = 162,779,265.17

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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.