Home / 65,759,806.20-98,645,930.10-17,890,750.20

Finding the Fourth Proportional to 65,759,806.20, 98,645,930.10 and 17,890,750.20

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Solution

The fourth proportional to 65,759,806.20, 98,645,930.10 and 17,890,750.20 is: 26,837,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,759,806.20 : 98,645,930.10 = 17,890,750.20 : x
  2. Step 2: Convert to fraction form
    65,759,806.20/98,645,930.10 = 17,890,750.20/x
  3. Step 3: Cross multiply
    65,759,806.20x = 98,645,930.10 × 17,890,750.20
  4. Step 4: Simplify right side
    65,759,806.20x = 1,764,849,693,665,760.75
  5. Step 5: Solve for x
    x = 1,764,849,693,665,760.75/65,759,806.20
  6. Step 6: Final answer
    x = 26,837,817.74

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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.