Home / 203,318,133.40-280,581,198.78-110,498,645.80

Finding the Fourth Proportional to 203,318,133.40, 280,581,198.78 and 110,498,645.80

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Solution

The fourth proportional to 203,318,133.40, 280,581,198.78 and 110,498,645.80 is: 152,489,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,318,133.40 : 280,581,198.78 = 110,498,645.80 : x
  2. Step 2: Convert to fraction form
    203,318,133.40/280,581,198.78 = 110,498,645.80/x
  3. Step 3: Cross multiply
    203,318,133.40x = 280,581,198.78 × 110,498,645.80
  4. Step 4: Simplify right side
    203,318,133.40x = 31,003,842,502,130,608
  5. Step 5: Solve for x
    x = 31,003,842,502,130,608/203,318,133.40
  6. Step 6: Final answer
    x = 152,489,313.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.