Home / 238,876,365,499.30-358,312,094,107.03-138,083,098,855.52

Finding the Fourth Proportional to 238,876,365,499.30, 358,312,094,107.03 and 138,083,098,855.52

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Solution

The fourth proportional to 238,876,365,499.30, 358,312,094,107.03 and 138,083,098,855.52 is: 207,123,229,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,876,365,499.30 : 358,312,094,107.03 = 138,083,098,855.52 : x
  2. Step 2: Convert to fraction form
    238,876,365,499.30/358,312,094,107.03 = 138,083,098,855.52/x
  3. Step 3: Cross multiply
    238,876,365,499.30x = 358,312,094,107.03 × 138,083,098,855.52
  4. Step 4: Simplify right side
    238,876,365,499.30x = 49,476,844,311,709,407,510,528
  5. Step 5: Solve for x
    x = 49,476,844,311,709,407,510,528/238,876,365,499.30
  6. Step 6: Final answer
    x = 207,123,229,660.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.