Home / 50,371,919.40-75,431,907.90-40,294,223.40

Finding the Fourth Proportional to 50,371,919.40, 75,431,907.90 and 40,294,223.40

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Solution

The fourth proportional to 50,371,919.40, 75,431,907.90 and 40,294,223.40 is: 60,340,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,371,919.40 : 75,431,907.90 = 40,294,223.40 : x
  2. Step 2: Convert to fraction form
    50,371,919.40/75,431,907.90 = 40,294,223.40/x
  3. Step 3: Cross multiply
    50,371,919.40x = 75,431,907.90 × 40,294,223.40
  4. Step 4: Simplify right side
    50,371,919.40x = 3,039,470,148,410,825
  5. Step 5: Solve for x
    x = 3,039,470,148,410,825/50,371,919.40
  6. Step 6: Final answer
    x = 60,340,566.42

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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.