Home / 51,537,073.22-77,342,492.39-18,747,578.71

Finding the Fourth Proportional to 51,537,073.22, 77,342,492.39 and 18,747,578.71

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Solution

The fourth proportional to 51,537,073.22, 77,342,492.39 and 18,747,578.71 is: 28,134,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,537,073.22 : 77,342,492.39 = 18,747,578.71 : x
  2. Step 2: Convert to fraction form
    51,537,073.22/77,342,492.39 = 18,747,578.71/x
  3. Step 3: Cross multiply
    51,537,073.22x = 77,342,492.39 × 18,747,578.71
  4. Step 4: Simplify right side
    51,537,073.22x = 1,449,984,463,615,363.25
  5. Step 5: Solve for x
    x = 1,449,984,463,615,363.25/51,537,073.22
  6. Step 6: Final answer
    x = 28,134,784.79

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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.