Home / 203,125,806.03-304,592,658.68-78,686,716.14

Finding the Fourth Proportional to 203,125,806.03, 304,592,658.68 and 78,686,716.14

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Solution

The fourth proportional to 203,125,806.03, 304,592,658.68 and 78,686,716.14 is: 117,992,866.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,125,806.03 : 304,592,658.68 = 78,686,716.14 : x
  2. Step 2: Convert to fraction form
    203,125,806.03/304,592,658.68 = 78,686,716.14/x
  3. Step 3: Cross multiply
    203,125,806.03x = 304,592,658.68 × 78,686,716.14
  4. Step 4: Simplify right side
    203,125,806.03x = 23,967,396,071,881,068
  5. Step 5: Solve for x
    x = 23,967,396,071,881,068/203,125,806.03
  6. Step 6: Final answer
    x = 117,992,866.29

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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.