Home / 65,165,769.20-97,748,653.80-19,729,823.60

Finding the Fourth Proportional to 65,165,769.20, 97,748,653.80 and 19,729,823.60

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Solution

The fourth proportional to 65,165,769.20, 97,748,653.80 and 19,729,823.60 is: 29,594,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,165,769.20 : 97,748,653.80 = 19,729,823.60 : x
  2. Step 2: Convert to fraction form
    65,165,769.20/97,748,653.80 = 19,729,823.60/x
  3. Step 3: Cross multiply
    65,165,769.20x = 97,748,653.80 × 19,729,823.60
  4. Step 4: Simplify right side
    65,165,769.20x = 1,928,563,696,611,469.75
  5. Step 5: Solve for x
    x = 1,928,563,696,611,469.75/65,165,769.20
  6. Step 6: Final answer
    x = 29,594,735.40

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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.