Home / 217,743,845.60-326,615,768.40-145,184,434.40

Finding the Fourth Proportional to 217,743,845.60, 326,615,768.40 and 145,184,434.40

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Solution

The fourth proportional to 217,743,845.60, 326,615,768.40 and 145,184,434.40 is: 217,776,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,743,845.60 : 326,615,768.40 = 145,184,434.40 : x
  2. Step 2: Convert to fraction form
    217,743,845.60/326,615,768.40 = 145,184,434.40/x
  3. Step 3: Cross multiply
    217,743,845.60x = 326,615,768.40 × 145,184,434.40
  4. Step 4: Simplify right side
    217,743,845.60x = 47,419,525,601,275,392
  5. Step 5: Solve for x
    x = 47,419,525,601,275,392/217,743,845.60
  6. Step 6: Final answer
    x = 217,776,651.60

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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.