Home / 231,486,880.77-319,306,587.96-137,334,369.30

Finding the Fourth Proportional to 231,486,880.77, 319,306,587.96 and 137,334,369.30

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Solution

The fourth proportional to 231,486,880.77, 319,306,587.96 and 137,334,369.30 is: 189,435,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,486,880.77 : 319,306,587.96 = 137,334,369.30 : x
  2. Step 2: Convert to fraction form
    231,486,880.77/319,306,587.96 = 137,334,369.30/x
  3. Step 3: Cross multiply
    231,486,880.77x = 319,306,587.96 × 137,334,369.30
  4. Step 4: Simplify right side
    231,486,880.77x = 43,851,768,870,821,576
  5. Step 5: Solve for x
    x = 43,851,768,870,821,576/231,486,880.77
  6. Step 6: Final answer
    x = 189,435,222.96

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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.