Home / 40,039,728.86-60,064,317.22-30,006,122.78

Finding the Fourth Proportional to 40,039,728.86, 60,064,317.22 and 30,006,122.78

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Solution

The fourth proportional to 40,039,728.86, 60,064,317.22 and 30,006,122.78 is: 45,012,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039,728.86 : 60,064,317.22 = 30,006,122.78 : x
  2. Step 2: Convert to fraction form
    40,039,728.86/60,064,317.22 = 30,006,122.78/x
  3. Step 3: Cross multiply
    40,039,728.86x = 60,064,317.22 × 30,006,122.78
  4. Step 4: Simplify right side
    40,039,728.86x = 1,802,297,277,200,188.25
  5. Step 5: Solve for x
    x = 1,802,297,277,200,188.25/40,039,728.86
  6. Step 6: Final answer
    x = 45,012,724.32

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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.