Home / 37,123,284.80-55,684,927.20-20,117,172.80

Finding the Fourth Proportional to 37,123,284.80, 55,684,927.20 and 20,117,172.80

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Solution

The fourth proportional to 37,123,284.80, 55,684,927.20 and 20,117,172.80 is: 30,175,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,123,284.80 : 55,684,927.20 = 20,117,172.80 : x
  2. Step 2: Convert to fraction form
    37,123,284.80/55,684,927.20 = 20,117,172.80/x
  3. Step 3: Cross multiply
    37,123,284.80x = 55,684,927.20 × 20,117,172.80
  4. Step 4: Simplify right side
    37,123,284.80x = 1,120,223,302,837,820.25
  5. Step 5: Solve for x
    x = 1,120,223,302,837,820.25/37,123,284.80
  6. Step 6: Final answer
    x = 30,175,759.20

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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.