Home / 217,308,528.82-326,096,867.91-100,702,150.06

Finding the Fourth Proportional to 217,308,528.82, 326,096,867.91 and 100,702,150.06

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Solution

The fourth proportional to 217,308,528.82, 326,096,867.91 and 100,702,150.06 is: 151,115,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,308,528.82 : 326,096,867.91 = 100,702,150.06 : x
  2. Step 2: Convert to fraction form
    217,308,528.82/326,096,867.91 = 100,702,150.06/x
  3. Step 3: Cross multiply
    217,308,528.82x = 326,096,867.91 × 100,702,150.06
  4. Step 4: Simplify right side
    217,308,528.82x = 32,838,655,726,368,820
  5. Step 5: Solve for x
    x = 32,838,655,726,368,820/217,308,528.82
  6. Step 6: Final answer
    x = 151,115,356.15

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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.