Home / 49,420,123.40-74,144,181.90-15,344,913.80

Finding the Fourth Proportional to 49,420,123.40, 74,144,181.90 and 15,344,913.80

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Solution

The fourth proportional to 49,420,123.40, 74,144,181.90 and 15,344,913.80 is: 23,021,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420,123.40 : 74,144,181.90 = 15,344,913.80 : x
  2. Step 2: Convert to fraction form
    49,420,123.40/74,144,181.90 = 15,344,913.80/x
  3. Step 3: Cross multiply
    49,420,123.40x = 74,144,181.90 × 15,344,913.80
  4. Step 4: Simplify right side
    49,420,123.40x = 1,137,736,080,027,020.25
  5. Step 5: Solve for x
    x = 1,137,736,080,027,020.25/49,420,123.40
  6. Step 6: Final answer
    x = 23,021,716.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.