Home / 312,040,319.70-468,060,479.55-158,985,311.70

Finding the Fourth Proportional to 312,040,319.70, 468,060,479.55 and 158,985,311.70

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Solution

The fourth proportional to 312,040,319.70, 468,060,479.55 and 158,985,311.70 is: 238,477,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,040,319.70 : 468,060,479.55 = 158,985,311.70 : x
  2. Step 2: Convert to fraction form
    312,040,319.70/468,060,479.55 = 158,985,311.70/x
  3. Step 3: Cross multiply
    312,040,319.70x = 468,060,479.55 × 158,985,311.70
  4. Step 4: Simplify right side
    312,040,319.70x = 74,414,741,235,708,224
  5. Step 5: Solve for x
    x = 74,414,741,235,708,224/312,040,319.70
  6. Step 6: Final answer
    x = 238,477,967.55

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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.