Home / 223,415,638.80-335,123,458.20-207,291,325.20

Finding the Fourth Proportional to 223,415,638.80, 335,123,458.20 and 207,291,325.20

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Solution

The fourth proportional to 223,415,638.80, 335,123,458.20 and 207,291,325.20 is: 310,936,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,415,638.80 : 335,123,458.20 = 207,291,325.20 : x
  2. Step 2: Convert to fraction form
    223,415,638.80/335,123,458.20 = 207,291,325.20/x
  3. Step 3: Cross multiply
    223,415,638.80x = 335,123,458.20 × 207,291,325.20
  4. Step 4: Simplify right side
    223,415,638.80x = 69,468,185,755,884,800
  5. Step 5: Solve for x
    x = 69,468,185,755,884,800/223,415,638.80
  6. Step 6: Final answer
    x = 310,936,987.80

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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.