Home / 65,759,836.20-98,645,975.10-17,890,780.20

Finding the Fourth Proportional to 65,759,836.20, 98,645,975.10 and 17,890,780.20

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Solution

The fourth proportional to 65,759,836.20, 98,645,975.10 and 17,890,780.20 is: 26,837,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,759,836.20 : 98,645,975.10 = 17,890,780.20 : x
  2. Step 2: Convert to fraction form
    65,759,836.20/98,645,975.10 = 17,890,780.20/x
  3. Step 3: Cross multiply
    65,759,836.20x = 98,645,975.10 × 17,890,780.20
  4. Step 4: Simplify right side
    65,759,836.20x = 1,764,853,458,128,772.75
  5. Step 5: Solve for x
    x = 1,764,853,458,128,772.75/65,759,836.20
  6. Step 6: Final answer
    x = 26,837,862.75

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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.