Home / 151,545,328.82-227,283,241.96-42,378,171.75

Finding the Fourth Proportional to 151,545,328.82, 227,283,241.96 and 42,378,171.75

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Solution

The fourth proportional to 151,545,328.82, 227,283,241.96 and 42,378,171.75 is: 63,557,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,545,328.82 : 227,283,241.96 = 42,378,171.75 : x
  2. Step 2: Convert to fraction form
    151,545,328.82/227,283,241.96 = 42,378,171.75/x
  3. Step 3: Cross multiply
    151,545,328.82x = 227,283,241.96 × 42,378,171.75
  4. Step 4: Simplify right side
    151,545,328.82x = 9,631,848,263,730,660
  5. Step 5: Solve for x
    x = 9,631,848,263,730,660/151,545,328.82
  6. Step 6: Final answer
    x = 63,557,539.77

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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.