Home / 201,285,796.91-301,853,936.85-70,094,382.36

Finding the Fourth Proportional to 201,285,796.91, 301,853,936.85 and 70,094,382.36

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Solution

The fourth proportional to 201,285,796.91, 301,853,936.85 and 70,094,382.36 is: 105,115,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,285,796.91 : 301,853,936.85 = 70,094,382.36 : x
  2. Step 2: Convert to fraction form
    201,285,796.91/301,853,936.85 = 70,094,382.36/x
  3. Step 3: Cross multiply
    201,285,796.91x = 301,853,936.85 × 70,094,382.36
  4. Step 4: Simplify right side
    201,285,796.91x = 21,158,265,267,365,064
  5. Step 5: Solve for x
    x = 21,158,265,267,365,064/201,285,796.91
  6. Step 6: Final answer
    x = 105,115,540.15

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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.