Home / 205,662,999.62-283,815,478.51-111,577,141.73

Finding the Fourth Proportional to 205,662,999.62, 283,815,478.51 and 111,577,141.73

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Solution

The fourth proportional to 205,662,999.62, 283,815,478.51 and 111,577,141.73 is: 153,976,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,662,999.62 : 283,815,478.51 = 111,577,141.73 : x
  2. Step 2: Convert to fraction form
    205,662,999.62/283,815,478.51 = 111,577,141.73/x
  3. Step 3: Cross multiply
    205,662,999.62x = 283,815,478.51 × 111,577,141.73
  4. Step 4: Simplify right side
    205,662,999.62x = 31,667,319,871,308,636
  5. Step 5: Solve for x
    x = 31,667,319,871,308,636/205,662,999.62
  6. Step 6: Final answer
    x = 153,976,748.03

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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.