Home / 90,376,843.84-124,716,992.16-51,738,210.88

Finding the Fourth Proportional to 90,376,843.84, 124,716,992.16 and 51,738,210.88

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Solution

The fourth proportional to 90,376,843.84, 124,716,992.16 and 51,738,210.88 is: 71,396,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,376,843.84 : 124,716,992.16 = 51,738,210.88 : x
  2. Step 2: Convert to fraction form
    90,376,843.84/124,716,992.16 = 51,738,210.88/x
  3. Step 3: Cross multiply
    90,376,843.84x = 124,716,992.16 × 51,738,210.88
  4. Step 4: Simplify right side
    90,376,843.84x = 6,452,634,040,693,387
  5. Step 5: Solve for x
    x = 6,452,634,040,693,387/90,376,843.84
  6. Step 6: Final answer
    x = 71,396,983.64

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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.