Home / 40,802,993.70-61,204,490.55-31,555,920.30

Finding the Fourth Proportional to 40,802,993.70, 61,204,490.55 and 31,555,920.30

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Solution

The fourth proportional to 40,802,993.70, 61,204,490.55 and 31,555,920.30 is: 47,333,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,802,993.70 : 61,204,490.55 = 31,555,920.30 : x
  2. Step 2: Convert to fraction form
    40,802,993.70/61,204,490.55 = 31,555,920.30/x
  3. Step 3: Cross multiply
    40,802,993.70x = 61,204,490.55 × 31,555,920.30
  4. Step 4: Simplify right side
    40,802,993.70x = 1,931,364,025,797,903
  5. Step 5: Solve for x
    x = 1,931,364,025,797,903/40,802,993.70
  6. Step 6: Final answer
    x = 47,333,880.45

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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.