Home / 217,308,528.32-326,096,867.16-100,702,149.56

Finding the Fourth Proportional to 217,308,528.32, 326,096,867.16 and 100,702,149.56

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Solution

The fourth proportional to 217,308,528.32, 326,096,867.16 and 100,702,149.56 is: 151,115,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,308,528.32 : 326,096,867.16 = 100,702,149.56 : x
  2. Step 2: Convert to fraction form
    217,308,528.32/326,096,867.16 = 100,702,149.56/x
  3. Step 3: Cross multiply
    217,308,528.32x = 326,096,867.16 × 100,702,149.56
  4. Step 4: Simplify right side
    217,308,528.32x = 32,838,655,487,793,776
  5. Step 5: Solve for x
    x = 32,838,655,487,793,776/217,308,528.32
  6. Step 6: Final answer
    x = 151,115,355.40

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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.