Home / 206,972,605.20-310,458,907.80-104,935,933.20

Finding the Fourth Proportional to 206,972,605.20, 310,458,907.80 and 104,935,933.20

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Solution

The fourth proportional to 206,972,605.20, 310,458,907.80 and 104,935,933.20 is: 157,403,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,972,605.20 : 310,458,907.80 = 104,935,933.20 : x
  2. Step 2: Convert to fraction form
    206,972,605.20/310,458,907.80 = 104,935,933.20/x
  3. Step 3: Cross multiply
    206,972,605.20x = 310,458,907.80 × 104,935,933.20
  4. Step 4: Simplify right side
    206,972,605.20x = 32,578,295,210,245,760
  5. Step 5: Solve for x
    x = 32,578,295,210,245,760/206,972,605.20
  6. Step 6: Final answer
    x = 157,403,899.80

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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.