Home / 253,027,329.44-379,592,759.87-87,009,272.85

Finding the Fourth Proportional to 253,027,329.44, 379,592,759.87 and 87,009,272.85

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Solution

The fourth proportional to 253,027,329.44, 379,592,759.87 and 87,009,272.85 is: 130,531,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,027,329.44 : 379,592,759.87 = 87,009,272.85 : x
  2. Step 2: Convert to fraction form
    253,027,329.44/379,592,759.87 = 87,009,272.85/x
  3. Step 3: Cross multiply
    253,027,329.44x = 379,592,759.87 × 87,009,272.85
  4. Step 4: Simplify right side
    253,027,329.44x = 33,028,090,016,728,072
  5. Step 5: Solve for x
    x = 33,028,090,016,728,072/253,027,329.44
  6. Step 6: Final answer
    x = 130,531,710.11

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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.