Home / 231,143,497.66-318,977,949.78-126,719,326.93

Finding the Fourth Proportional to 231,143,497.66, 318,977,949.78 and 126,719,326.93

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Solution

The fourth proportional to 231,143,497.66, 318,977,949.78 and 126,719,326.93 is: 174,872,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,143,497.66 : 318,977,949.78 = 126,719,326.93 : x
  2. Step 2: Convert to fraction form
    231,143,497.66/318,977,949.78 = 126,719,326.93/x
  3. Step 3: Cross multiply
    231,143,497.66x = 318,977,949.78 × 126,719,326.93
  4. Step 4: Simplify right side
    231,143,497.66x = 40,420,671,101,632,944
  5. Step 5: Solve for x
    x = 40,420,671,101,632,944/231,143,497.66
  6. Step 6: Final answer
    x = 174,872,628.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.