Home / 217,744,851.60-326,617,277.40-145,185,440.40

Finding the Fourth Proportional to 217,744,851.60, 326,617,277.40 and 145,185,440.40

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Solution

The fourth proportional to 217,744,851.60, 326,617,277.40 and 145,185,440.40 is: 217,778,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,744,851.60 : 326,617,277.40 = 145,185,440.40 : x
  2. Step 2: Convert to fraction form
    217,744,851.60/326,617,277.40 = 145,185,440.40/x
  3. Step 3: Cross multiply
    217,744,851.60x = 326,617,277.40 × 145,185,440.40
  4. Step 4: Simplify right side
    217,744,851.60x = 47,420,073,261,567,968
  5. Step 5: Solve for x
    x = 47,420,073,261,567,968/217,744,851.60
  6. Step 6: Final answer
    x = 217,778,160.60

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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.