Home / 131,329,247.60-197,012,533.80-40,443,359.60

Finding the Fourth Proportional to 131,329,247.60, 197,012,533.80 and 40,443,359.60

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Solution

The fourth proportional to 131,329,247.60, 197,012,533.80 and 40,443,359.60 is: 60,670,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,329,247.60 : 197,012,533.80 = 40,443,359.60 : x
  2. Step 2: Convert to fraction form
    131,329,247.60/197,012,533.80 = 40,443,359.60/x
  3. Step 3: Cross multiply
    131,329,247.60x = 197,012,533.80 × 40,443,359.60
  4. Step 4: Simplify right side
    131,329,247.60x = 7,967,848,750,180,555
  5. Step 5: Solve for x
    x = 7,967,848,750,180,555/131,329,247.60
  6. Step 6: Final answer
    x = 60,670,786.56

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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.