Home / 285,121,636.83-426,959,027.73-238,942,071.09

Finding the Fourth Proportional to 285,121,636.83, 426,959,027.73 and 238,942,071.09

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Solution

The fourth proportional to 285,121,636.83, 426,959,027.73 and 238,942,071.09 is: 357,806,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,121,636.83 : 426,959,027.73 = 238,942,071.09 : x
  2. Step 2: Convert to fraction form
    285,121,636.83/426,959,027.73 = 238,942,071.09/x
  3. Step 3: Cross multiply
    285,121,636.83x = 426,959,027.73 × 238,942,071.09
  4. Step 4: Simplify right side
    285,121,636.83x = 102,018,474,356,378,944
  5. Step 5: Solve for x
    x = 102,018,474,356,378,944/285,121,636.83
  6. Step 6: Final answer
    x = 357,806,848.65

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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.