Home / 217,847,221.60-326,770,832.40-201,219,023.20

Finding the Fourth Proportional to 217,847,221.60, 326,770,832.40 and 201,219,023.20

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Solution

The fourth proportional to 217,847,221.60, 326,770,832.40 and 201,219,023.20 is: 301,828,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,847,221.60 : 326,770,832.40 = 201,219,023.20 : x
  2. Step 2: Convert to fraction form
    217,847,221.60/326,770,832.40 = 201,219,023.20/x
  3. Step 3: Cross multiply
    217,847,221.60x = 326,770,832.40 × 201,219,023.20
  4. Step 4: Simplify right side
    217,847,221.60x = 65,752,507,705,778,904
  5. Step 5: Solve for x
    x = 65,752,507,705,778,904/217,847,221.60
  6. Step 6: Final answer
    x = 301,828,534.80

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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.