Home / 89,072,184-122,917,615.74-51,900,149.64

Finding the Fourth Proportional to 89,072,184, 122,917,615.74 and 51,900,149.64

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Solution

The fourth proportional to 89,072,184, 122,917,615.74 and 51,900,149.64 is: 71,621,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,072,184 : 122,917,615.74 = 51,900,149.64 : x
  2. Step 2: Convert to fraction form
    89,072,184/122,917,615.74 = 51,900,149.64/x
  3. Step 3: Cross multiply
    89,072,184x = 122,917,615.74 × 51,900,149.64
  4. Step 4: Simplify right side
    89,072,184x = 6,379,442,650,298,019
  5. Step 5: Solve for x
    x = 6,379,442,650,298,019/89,072,184
  6. Step 6: Final answer
    x = 71,621,042.21

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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.