Home / 300,883,393.59-451,328,565.20-90,795,899.72

Finding the Fourth Proportional to 300,883,393.59, 451,328,565.20 and 90,795,899.72

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Solution

The fourth proportional to 300,883,393.59, 451,328,565.20 and 90,795,899.72 is: 136,194,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,883,393.59 : 451,328,565.20 = 90,795,899.72 : x
  2. Step 2: Convert to fraction form
    300,883,393.59/451,328,565.20 = 90,795,899.72/x
  3. Step 3: Cross multiply
    300,883,393.59x = 451,328,565.20 × 90,795,899.72
  4. Step 4: Simplify right side
    300,883,393.59x = 40,978,783,143,960,064
  5. Step 5: Solve for x
    x = 40,978,783,143,960,064/300,883,393.59
  6. Step 6: Final answer
    x = 136,194,898.15

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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.