Home / 249,123,788.58-343,784,167.56-137,612,229.38

Finding the Fourth Proportional to 249,123,788.58, 343,784,167.56 and 137,612,229.38

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Solution

The fourth proportional to 249,123,788.58, 343,784,167.56 and 137,612,229.38 is: 189,901,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,123,788.58 : 343,784,167.56 = 137,612,229.38 : x
  2. Step 2: Convert to fraction form
    249,123,788.58/343,784,167.56 = 137,612,229.38/x
  3. Step 3: Cross multiply
    249,123,788.58x = 343,784,167.56 × 137,612,229.38
  4. Step 4: Simplify right side
    249,123,788.58x = 47,308,905,723,479,072
  5. Step 5: Solve for x
    x = 47,308,905,723,479,072/249,123,788.58
  6. Step 6: Final answer
    x = 189,901,197.28

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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.