Home / 199,392,612.15-299,194,293.69-141,474,594.36

Finding the Fourth Proportional to 199,392,612.15, 299,194,293.69 and 141,474,594.36

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Solution

The fourth proportional to 199,392,612.15, 299,194,293.69 and 141,474,594.36 is: 212,286,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,392,612.15 : 299,194,293.69 = 141,474,594.36 : x
  2. Step 2: Convert to fraction form
    199,392,612.15/299,194,293.69 = 141,474,594.36/x
  3. Step 3: Cross multiply
    199,392,612.15x = 299,194,293.69 × 141,474,594.36
  4. Step 4: Simplify right side
    199,392,612.15x = 42,328,391,334,619,464
  5. Step 5: Solve for x
    x = 42,328,391,334,619,464/199,392,612.15
  6. Step 6: Final answer
    x = 212,286,658.36

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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.