Home / 217,729,123.60-326,593,685.40-64,361,520.40

Finding the Fourth Proportional to 217,729,123.60, 326,593,685.40 and 64,361,520.40

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Solution

The fourth proportional to 217,729,123.60, 326,593,685.40 and 64,361,520.40 is: 96,542,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,729,123.60 : 326,593,685.40 = 64,361,520.40 : x
  2. Step 2: Convert to fraction form
    217,729,123.60/326,593,685.40 = 64,361,520.40/x
  3. Step 3: Cross multiply
    217,729,123.60x = 326,593,685.40 × 64,361,520.40
  4. Step 4: Simplify right side
    217,729,123.60x = 21,020,066,145,383,280
  5. Step 5: Solve for x
    x = 21,020,066,145,383,280/217,729,123.60
  6. Step 6: Final answer
    x = 96,542,280.60

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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.