Home / 205,663,035.60-283,815,528.12-111,577,177.80

Finding the Fourth Proportional to 205,663,035.60, 283,815,528.12 and 111,577,177.80

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Solution

The fourth proportional to 205,663,035.60, 283,815,528.12 and 111,577,177.80 is: 153,976,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,663,035.60 : 283,815,528.12 = 111,577,177.80 : x
  2. Step 2: Convert to fraction form
    205,663,035.60/283,815,528.12 = 111,577,177.80/x
  3. Step 3: Cross multiply
    205,663,035.60x = 283,815,528.12 × 111,577,177.80
  4. Step 4: Simplify right side
    205,663,035.60x = 31,667,335,643,446,140
  5. Step 5: Solve for x
    x = 31,667,335,643,446,140/205,663,035.60
  6. Step 6: Final answer
    x = 153,976,797.78

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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.