Home / 72,440,282.70-108,665,672.85-43,624,370.70

Finding the Fourth Proportional to 72,440,282.70, 108,665,672.85 and 43,624,370.70

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Solution

The fourth proportional to 72,440,282.70, 108,665,672.85 and 43,624,370.70 is: 65,439,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,440,282.70 : 108,665,672.85 = 43,624,370.70 : x
  2. Step 2: Convert to fraction form
    72,440,282.70/108,665,672.85 = 43,624,370.70/x
  3. Step 3: Cross multiply
    72,440,282.70x = 108,665,672.85 × 43,624,370.70
  4. Step 4: Simplify right side
    72,440,282.70x = 4,740,471,594,773,326
  5. Step 5: Solve for x
    x = 4,740,471,594,773,326/72,440,282.70
  6. Step 6: Final answer
    x = 65,439,716.94

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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.