Home / 199,314,089.70-298,971,134.55-131,289,641.70

Finding the Fourth Proportional to 199,314,089.70, 298,971,134.55 and 131,289,641.70

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Solution

The fourth proportional to 199,314,089.70, 298,971,134.55 and 131,289,641.70 is: 196,934,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,314,089.70 : 298,971,134.55 = 131,289,641.70 : x
  2. Step 2: Convert to fraction form
    199,314,089.70/298,971,134.55 = 131,289,641.70/x
  3. Step 3: Cross multiply
    199,314,089.70x = 298,971,134.55 × 131,289,641.70
  4. Step 4: Simplify right side
    199,314,089.70x = 39,251,813,133,711,992
  5. Step 5: Solve for x
    x = 39,251,813,133,711,992/199,314,089.70
  6. Step 6: Final answer
    x = 196,934,462.55

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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.