Home / 273,036,578.80-409,554,868.20-78,954,325.60

Finding the Fourth Proportional to 273,036,578.80, 409,554,868.20 and 78,954,325.60

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Solution

The fourth proportional to 273,036,578.80, 409,554,868.20 and 78,954,325.60 is: 118,431,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,036,578.80 : 409,554,868.20 = 78,954,325.60 : x
  2. Step 2: Convert to fraction form
    273,036,578.80/409,554,868.20 = 78,954,325.60/x
  3. Step 3: Cross multiply
    273,036,578.80x = 409,554,868.20 × 78,954,325.60
  4. Step 4: Simplify right side
    273,036,578.80x = 32,336,128,414,927,884
  5. Step 5: Solve for x
    x = 32,336,128,414,927,884/273,036,578.80
  6. Step 6: Final answer
    x = 118,431,488.40

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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.