Home / 212,542,474.60-293,299,552.62-118,451,614.84

Finding the Fourth Proportional to 212,542,474.60, 293,299,552.62 and 118,451,614.84

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Solution

The fourth proportional to 212,542,474.60, 293,299,552.62 and 118,451,614.84 is: 163,458,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,542,474.60 : 293,299,552.62 = 118,451,614.84 : x
  2. Step 2: Convert to fraction form
    212,542,474.60/293,299,552.62 = 118,451,614.84/x
  3. Step 3: Cross multiply
    212,542,474.60x = 293,299,552.62 × 118,451,614.84
  4. Step 4: Simplify right side
    212,542,474.60x = 34,741,805,639,688,556
  5. Step 5: Solve for x
    x = 34,741,805,639,688,556/212,542,474.60
  6. Step 6: Final answer
    x = 163,458,177.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.