Home / 217,744,335.90-326,609,505.45-72,184,614.30

Finding the Fourth Proportional to 217,744,335.90, 326,609,505.45 and 72,184,614.30

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Solution

The fourth proportional to 217,744,335.90, 326,609,505.45 and 72,184,614.30 is: 108,274,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,744,335.90 : 326,609,505.45 = 72,184,614.30 : x
  2. Step 2: Convert to fraction form
    217,744,335.90/326,609,505.45 = 72,184,614.30/x
  3. Step 3: Cross multiply
    217,744,335.90x = 326,609,505.45 × 72,184,614.30
  4. Step 4: Simplify right side
    217,744,335.90x = 23,576,181,177,621,996
  5. Step 5: Solve for x
    x = 23,576,181,177,621,996/217,744,335.90
  6. Step 6: Final answer
    x = 108,274,601.40

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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.