Home / 351,979,644.18-527,989,642.69-93,188,139.73

Finding the Fourth Proportional to 351,979,644.18, 527,989,642.69 and 93,188,139.73

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Solution

The fourth proportional to 351,979,644.18, 527,989,642.69 and 93,188,139.73 is: 139,787,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,979,644.18 : 527,989,642.69 = 93,188,139.73 : x
  2. Step 2: Convert to fraction form
    351,979,644.18/527,989,642.69 = 93,188,139.73/x
  3. Step 3: Cross multiply
    351,979,644.18x = 527,989,642.69 × 93,188,139.73
  4. Step 4: Simplify right side
    351,979,644.18x = 49,202,372,598,988,496
  5. Step 5: Solve for x
    x = 49,202,372,598,988,496/351,979,644.18
  6. Step 6: Final answer
    x = 139,787,551.39

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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.