Home / 49,007,907.20-73,511,860.80-20,244,483.20

Finding the Fourth Proportional to 49,007,907.20, 73,511,860.80 and 20,244,483.20

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Solution

The fourth proportional to 49,007,907.20, 73,511,860.80 and 20,244,483.20 is: 30,366,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,007,907.20 : 73,511,860.80 = 20,244,483.20 : x
  2. Step 2: Convert to fraction form
    49,007,907.20/73,511,860.80 = 20,244,483.20/x
  3. Step 3: Cross multiply
    49,007,907.20x = 73,511,860.80 × 20,244,483.20
  4. Step 4: Simplify right side
    49,007,907.20x = 1,488,209,630,966,338.50
  5. Step 5: Solve for x
    x = 1,488,209,630,966,338.50/49,007,907.20
  6. Step 6: Final answer
    x = 30,366,724.80

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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.