Home / 89,080,054.21-122,935,385.70-49,934,405.38

Finding the Fourth Proportional to 89,080,054.21, 122,935,385.70 and 49,934,405.38

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Solution

The fourth proportional to 89,080,054.21, 122,935,385.70 and 49,934,405.38 is: 68,912,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,080,054.21 : 122,935,385.70 = 49,934,405.38 : x
  2. Step 2: Convert to fraction form
    89,080,054.21/122,935,385.70 = 49,934,405.38/x
  3. Step 3: Cross multiply
    89,080,054.21x = 122,935,385.70 × 49,934,405.38
  4. Step 4: Simplify right side
    89,080,054.21x = 6,138,705,385,090,456
  5. Step 5: Solve for x
    x = 6,138,705,385,090,456/89,080,054.21
  6. Step 6: Final answer
    x = 68,912,232.26

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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.