Home / 218,183,289.39-326,425,956.75-199,862,525.25

Finding the Fourth Proportional to 218,183,289.39, 326,425,956.75 and 199,862,525.25

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Solution

The fourth proportional to 218,183,289.39, 326,425,956.75 and 199,862,525.25 is: 299,016,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,183,289.39 : 326,425,956.75 = 199,862,525.25 : x
  2. Step 2: Convert to fraction form
    218,183,289.39/326,425,956.75 = 199,862,525.25/x
  3. Step 3: Cross multiply
    218,183,289.39x = 326,425,956.75 × 199,862,525.25
  4. Step 4: Simplify right side
    218,183,289.39x = 65,240,316,023,202,280
  5. Step 5: Solve for x
    x = 65,240,316,023,202,280/218,183,289.39
  6. Step 6: Final answer
    x = 299,016,098.83

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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.