Home / 231,413,607.77-319,335,055.43-126,998,405.60

Finding the Fourth Proportional to 231,413,607.77, 319,335,055.43 and 126,998,405.60

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Solution

The fourth proportional to 231,413,607.77, 319,335,055.43 and 126,998,405.60 is: 175,249,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,413,607.77 : 319,335,055.43 = 126,998,405.60 : x
  2. Step 2: Convert to fraction form
    231,413,607.77/319,335,055.43 = 126,998,405.60/x
  3. Step 3: Cross multiply
    231,413,607.77x = 319,335,055.43 × 126,998,405.60
  4. Step 4: Simplify right side
    231,413,607.77x = 40,555,042,889,565,960
  5. Step 5: Solve for x
    x = 40,555,042,889,565,960/231,413,607.77
  6. Step 6: Final answer
    x = 175,249,170.87

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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.