Home / 231,512,515.60-319,475,538.84-137,430,684.04

Finding the Fourth Proportional to 231,512,515.60, 319,475,538.84 and 137,430,684.04

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Solution

The fourth proportional to 231,512,515.60, 319,475,538.84 and 137,430,684.04 is: 189,647,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,512,515.60 : 319,475,538.84 = 137,430,684.04 : x
  2. Step 2: Convert to fraction form
    231,512,515.60/319,475,538.84 = 137,430,684.04/x
  3. Step 3: Cross multiply
    231,512,515.60x = 319,475,538.84 × 137,430,684.04
  4. Step 4: Simplify right side
    231,512,515.60x = 43,905,741,836,828,784
  5. Step 5: Solve for x
    x = 43,905,741,836,828,784/231,512,515.60
  6. Step 6: Final answer
    x = 189,647,379.21

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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.