Home / 109,132,725.60-163,699,088.40-65,979,716.40

Finding the Fourth Proportional to 109,132,725.60, 163,699,088.40 and 65,979,716.40

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Solution

The fourth proportional to 109,132,725.60, 163,699,088.40 and 65,979,716.40 is: 98,969,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,132,725.60 : 163,699,088.40 = 65,979,716.40 : x
  2. Step 2: Convert to fraction form
    109,132,725.60/163,699,088.40 = 65,979,716.40/x
  3. Step 3: Cross multiply
    109,132,725.60x = 163,699,088.40 × 65,979,716.40
  4. Step 4: Simplify right side
    109,132,725.60x = 10,800,819,427,570,530
  5. Step 5: Solve for x
    x = 10,800,819,427,570,530/109,132,725.60
  6. Step 6: Final answer
    x = 98,969,574.60

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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.