Home / 269,718,189.92-372,211,089.90-145,958,870.42

Finding the Fourth Proportional to 269,718,189.92, 372,211,089.90 and 145,958,870.42

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Solution

The fourth proportional to 269,718,189.92, 372,211,089.90 and 145,958,870.42 is: 201,423,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,718,189.92 : 372,211,089.90 = 145,958,870.42 : x
  2. Step 2: Convert to fraction form
    269,718,189.92/372,211,089.90 = 145,958,870.42/x
  3. Step 3: Cross multiply
    269,718,189.92x = 372,211,089.90 × 145,958,870.42
  4. Step 4: Simplify right side
    269,718,189.92x = 54,327,510,239,601,064
  5. Step 5: Solve for x
    x = 54,327,510,239,601,064/269,718,189.92
  6. Step 6: Final answer
    x = 201,423,234.58

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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.