Home / 77,432,274.48-106,879,103.70-50,613,500.90

Finding the Fourth Proportional to 77,432,274.48, 106,879,103.70 and 50,613,500.90

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Solution

The fourth proportional to 77,432,274.48, 106,879,103.70 and 50,613,500.90 is: 69,861,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432,274.48 : 106,879,103.70 = 50,613,500.90 : x
  2. Step 2: Convert to fraction form
    77,432,274.48/106,879,103.70 = 50,613,500.90/x
  3. Step 3: Cross multiply
    77,432,274.48x = 106,879,103.70 × 50,613,500.90
  4. Step 4: Simplify right side
    77,432,274.48x = 5,409,525,611,311,143
  5. Step 5: Solve for x
    x = 5,409,525,611,311,143/77,432,274.48
  6. Step 6: Final answer
    x = 69,861,380.77

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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.