Home / 223,415,768.80-335,123,653.20-207,291,455.20

Finding the Fourth Proportional to 223,415,768.80, 335,123,653.20 and 207,291,455.20

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Solution

The fourth proportional to 223,415,768.80, 335,123,653.20 and 207,291,455.20 is: 310,937,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,415,768.80 : 335,123,653.20 = 207,291,455.20 : x
  2. Step 2: Convert to fraction form
    223,415,768.80/335,123,653.20 = 207,291,455.20/x
  3. Step 3: Cross multiply
    223,415,768.80x = 335,123,653.20 × 207,291,455.20
  4. Step 4: Simplify right side
    223,415,768.80x = 69,468,269,743,768,128
  5. Step 5: Solve for x
    x = 69,468,269,743,768,128/223,415,768.80
  6. Step 6: Final answer
    x = 310,937,182.80

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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.