Home / 45,928,105.80-68,801,948.03-30,318,375.19

Finding the Fourth Proportional to 45,928,105.80, 68,801,948.03 and 30,318,375.19

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Solution

The fourth proportional to 45,928,105.80, 68,801,948.03 and 30,318,375.19 is: 45,418,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928,105.80 : 68,801,948.03 = 30,318,375.19 : x
  2. Step 2: Convert to fraction form
    45,928,105.80/68,801,948.03 = 30,318,375.19/x
  3. Step 3: Cross multiply
    45,928,105.80x = 68,801,948.03 × 30,318,375.19
  4. Step 4: Simplify right side
    45,928,105.80x = 2,085,963,274,178,030.25
  5. Step 5: Solve for x
    x = 2,085,963,274,178,030.25/45,928,105.80
  6. Step 6: Final answer
    x = 45,418,012.30

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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.