Home / 218,019,851.40-327,165,925.66-145,287,667.16

Finding the Fourth Proportional to 218,019,851.40, 327,165,925.66 and 145,287,667.16

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Solution

The fourth proportional to 218,019,851.40, 327,165,925.66 and 145,287,667.16 is: 218,022,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,019,851.40 : 327,165,925.66 = 145,287,667.16 : x
  2. Step 2: Convert to fraction form
    218,019,851.40/327,165,925.66 = 145,287,667.16/x
  3. Step 3: Cross multiply
    218,019,851.40x = 327,165,925.66 × 145,287,667.16
  4. Step 4: Simplify right side
    218,019,851.40x = 47,533,174,113,383,384
  5. Step 5: Solve for x
    x = 47,533,174,113,383,384/218,019,851.40
  6. Step 6: Final answer
    x = 218,022,229.66

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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.