Home / 90,232,481.43-135,366,123.15-38,416,135.11

Finding the Fourth Proportional to 90,232,481.43, 135,366,123.15 and 38,416,135.11

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Solution

The fourth proportional to 90,232,481.43, 135,366,123.15 and 38,416,135.11 is: 57,631,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,232,481.43 : 135,366,123.15 = 38,416,135.11 : x
  2. Step 2: Convert to fraction form
    90,232,481.43/135,366,123.15 = 38,416,135.11/x
  3. Step 3: Cross multiply
    90,232,481.43x = 135,366,123.15 × 38,416,135.11
  4. Step 4: Simplify right side
    90,232,481.43x = 5,200,243,276,247,299
  5. Step 5: Solve for x
    x = 5,200,243,276,247,299/90,232,481.43
  6. Step 6: Final answer
    x = 57,631,611.08

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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.