Home / 215,181,889.68-322,813,754.66-148,987,468.60

Finding the Fourth Proportional to 215,181,889.68, 322,813,754.66 and 148,987,468.60

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Solution

The fourth proportional to 215,181,889.68, 322,813,754.66 and 148,987,468.60 is: 223,509,535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,181,889.68 : 322,813,754.66 = 148,987,468.60 : x
  2. Step 2: Convert to fraction form
    215,181,889.68/322,813,754.66 = 148,987,468.60/x
  3. Step 3: Cross multiply
    215,181,889.68x = 322,813,754.66 × 148,987,468.60
  4. Step 4: Simplify right side
    215,181,889.68x = 48,095,204,136,054,856
  5. Step 5: Solve for x
    x = 48,095,204,136,054,856/215,181,889.68
  6. Step 6: Final answer
    x = 223,509,535.15

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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.