Home / 89,072,193-122,917,628.16-51,900,158.64

Finding the Fourth Proportional to 89,072,193, 122,917,628.16 and 51,900,158.64

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Solution

The fourth proportional to 89,072,193, 122,917,628.16 and 51,900,158.64 is: 71,621,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,072,193 : 122,917,628.16 = 51,900,158.64 : x
  2. Step 2: Convert to fraction form
    89,072,193/122,917,628.16 = 51,900,158.64/x
  3. Step 3: Cross multiply
    89,072,193x = 122,917,628.16 × 51,900,158.64
  4. Step 4: Simplify right side
    89,072,193x = 6,379,444,401,156,531
  5. Step 5: Solve for x
    x = 6,379,444,401,156,531/89,072,193
  6. Step 6: Final answer
    x = 71,621,054.63

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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.