Home / 103,402,257.42-155,102,919.57-26,718,766.86

Finding the Fourth Proportional to 103,402,257.42, 155,102,919.57 and 26,718,766.86

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Solution

The fourth proportional to 103,402,257.42, 155,102,919.57 and 26,718,766.86 is: 40,078,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,402,257.42 : 155,102,919.57 = 26,718,766.86 : x
  2. Step 2: Convert to fraction form
    103,402,257.42/155,102,919.57 = 26,718,766.86/x
  3. Step 3: Cross multiply
    103,402,257.42x = 155,102,919.57 × 26,718,766.86
  4. Step 4: Simplify right side
    103,402,257.42x = 4,144,158,747,296,161
  5. Step 5: Solve for x
    x = 4,144,158,747,296,161/103,402,257.42
  6. Step 6: Final answer
    x = 40,078,029.73

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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.