Home / 372,245,105.70-558,367,658.55-99,615,872.70

Finding the Fourth Proportional to 372,245,105.70, 558,367,658.55 and 99,615,872.70

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Solution

The fourth proportional to 372,245,105.70, 558,367,658.55 and 99,615,872.70 is: 149,423,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,245,105.70 : 558,367,658.55 = 99,615,872.70 : x
  2. Step 2: Convert to fraction form
    372,245,105.70/558,367,658.55 = 99,615,872.70/x
  3. Step 3: Cross multiply
    372,245,105.70x = 558,367,658.55 × 99,615,872.70
  4. Step 4: Simplify right side
    372,245,105.70x = 55,622,281,593,913,864
  5. Step 5: Solve for x
    x = 55,622,281,593,913,864/372,245,105.70
  6. Step 6: Final answer
    x = 149,423,809.05

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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.