Home / 248,286,221.76-342,634,988.07-138,277,934.76

Finding the Fourth Proportional to 248,286,221.76, 342,634,988.07 and 138,277,934.76

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Solution

The fourth proportional to 248,286,221.76, 342,634,988.07 and 138,277,934.76 is: 190,823,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,286,221.76 : 342,634,988.07 = 138,277,934.76 : x
  2. Step 2: Convert to fraction form
    248,286,221.76/342,634,988.07 = 138,277,934.76/x
  3. Step 3: Cross multiply
    248,286,221.76x = 342,634,988.07 × 138,277,934.76
  4. Step 4: Simplify right side
    248,286,221.76x = 47,378,858,526,836,832
  5. Step 5: Solve for x
    x = 47,378,858,526,836,832/248,286,221.76
  6. Step 6: Final answer
    x = 190,823,551.11

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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.