Home / 91,529,244.40-137,181,892.20-40,356,943.60

Finding the Fourth Proportional to 91,529,244.40, 137,181,892.20 and 40,356,943.60

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Solution

The fourth proportional to 91,529,244.40, 137,181,892.20 and 40,356,943.60 is: 60,486,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,529,244.40 : 137,181,892.20 = 40,356,943.60 : x
  2. Step 2: Convert to fraction form
    91,529,244.40/137,181,892.20 = 40,356,943.60/x
  3. Step 3: Cross multiply
    91,529,244.40x = 137,181,892.20 × 40,356,943.60
  4. Step 4: Simplify right side
    91,529,244.40x = 5,536,241,886,456,680
  5. Step 5: Solve for x
    x = 5,536,241,886,456,680/91,529,244.40
  6. Step 6: Final answer
    x = 60,486,043.81

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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.