Home / 165,888,131.20-248,832,196.80-84,258,793.60

Finding the Fourth Proportional to 165,888,131.20, 248,832,196.80 and 84,258,793.60

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Solution

The fourth proportional to 165,888,131.20, 248,832,196.80 and 84,258,793.60 is: 126,388,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,131.20 : 248,832,196.80 = 84,258,793.60 : x
  2. Step 2: Convert to fraction form
    165,888,131.20/248,832,196.80 = 84,258,793.60/x
  3. Step 3: Cross multiply
    165,888,131.20x = 248,832,196.80 × 84,258,793.60
  4. Step 4: Simplify right side
    165,888,131.20x = 20,966,300,711,205,780
  5. Step 5: Solve for x
    x = 20,966,300,711,205,780/165,888,131.20
  6. Step 6: Final answer
    x = 126,388,190.40

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1.5x scale

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.