Home / 109,770,685.60-164,656,028.40-28,991,653.60

Finding the Fourth Proportional to 109,770,685.60, 164,656,028.40 and 28,991,653.60

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Solution

The fourth proportional to 109,770,685.60, 164,656,028.40 and 28,991,653.60 is: 43,487,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,770,685.60 : 164,656,028.40 = 28,991,653.60 : x
  2. Step 2: Convert to fraction form
    109,770,685.60/164,656,028.40 = 28,991,653.60/x
  3. Step 3: Cross multiply
    109,770,685.60x = 164,656,028.40 × 28,991,653.60
  4. Step 4: Simplify right side
    109,770,685.60x = 4,773,650,538,524,563
  5. Step 5: Solve for x
    x = 4,773,650,538,524,563/109,770,685.60
  6. Step 6: Final answer
    x = 43,487,480.40

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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.