Home / 285,088,150.85-427,695,211.87-103,330,604.93

Finding the Fourth Proportional to 285,088,150.85, 427,695,211.87 and 103,330,604.93

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Solution

The fourth proportional to 285,088,150.85, 427,695,211.87 and 103,330,604.93 is: 155,018,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,088,150.85 : 427,695,211.87 = 103,330,604.93 : x
  2. Step 2: Convert to fraction form
    285,088,150.85/427,695,211.87 = 103,330,604.93/x
  3. Step 3: Cross multiply
    285,088,150.85x = 427,695,211.87 × 103,330,604.93
  4. Step 4: Simplify right side
    285,088,150.85x = 44,194,004,965,794,816
  5. Step 5: Solve for x
    x = 44,194,004,965,794,816/285,088,150.85
  6. Step 6: Final answer
    x = 155,018,736.61

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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.