Home / 165,090,349.20-247,635,523.80-126,944,403.60

Finding the Fourth Proportional to 165,090,349.20, 247,635,523.80 and 126,944,403.60

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Solution

The fourth proportional to 165,090,349.20, 247,635,523.80 and 126,944,403.60 is: 190,416,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,090,349.20 : 247,635,523.80 = 126,944,403.60 : x
  2. Step 2: Convert to fraction form
    165,090,349.20/247,635,523.80 = 126,944,403.60/x
  3. Step 3: Cross multiply
    165,090,349.20x = 247,635,523.80 × 126,944,403.60
  4. Step 4: Simplify right side
    165,090,349.20x = 31,435,943,878,964,604
  5. Step 5: Solve for x
    x = 31,435,943,878,964,604/165,090,349.20
  6. Step 6: Final answer
    x = 190,416,605.40

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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.