Home / 436,454,243.20-654,681,364.80-113,338,115.20

Finding the Fourth Proportional to 436,454,243.20, 654,681,364.80 and 113,338,115.20

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Solution

The fourth proportional to 436,454,243.20, 654,681,364.80 and 113,338,115.20 is: 170,007,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,454,243.20 : 654,681,364.80 = 113,338,115.20 : x
  2. Step 2: Convert to fraction form
    436,454,243.20/654,681,364.80 = 113,338,115.20/x
  3. Step 3: Cross multiply
    436,454,243.20x = 654,681,364.80 × 113,338,115.20
  4. Step 4: Simplify right side
    436,454,243.20x = 74,200,351,942,995,616
  5. Step 5: Solve for x
    x = 74,200,351,942,995,616/436,454,243.20
  6. Step 6: Final answer
    x = 170,007,172.80

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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.