Home / 90,649,662.17-135,876,106.69-59,512,252.57

Finding the Fourth Proportional to 90,649,662.17, 135,876,106.69 and 59,512,252.57

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Solution

The fourth proportional to 90,649,662.17, 135,876,106.69 and 59,512,252.57 is: 89,203,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,649,662.17 : 135,876,106.69 = 59,512,252.57 : x
  2. Step 2: Convert to fraction form
    90,649,662.17/135,876,106.69 = 59,512,252.57/x
  3. Step 3: Cross multiply
    90,649,662.17x = 135,876,106.69 × 59,512,252.57
  4. Step 4: Simplify right side
    90,649,662.17x = 8,086,293,179,075,076
  5. Step 5: Solve for x
    x = 8,086,293,179,075,076/90,649,662.17
  6. Step 6: Final answer
    x = 89,203,787.26

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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.