Home / 312,938,586.06-469,216,560.30-149,226,414.54

Finding the Fourth Proportional to 312,938,586.06, 469,216,560.30 and 149,226,414.54

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Solution

The fourth proportional to 312,938,586.06, 469,216,560.30 and 149,226,414.54 is: 223,748,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,938,586.06 : 469,216,560.30 = 149,226,414.54 : x
  2. Step 2: Convert to fraction form
    312,938,586.06/469,216,560.30 = 149,226,414.54/x
  3. Step 3: Cross multiply
    312,938,586.06x = 469,216,560.30 × 149,226,414.54
  4. Step 4: Simplify right side
    312,938,586.06x = 70,019,504,936,360,704
  5. Step 5: Solve for x
    x = 70,019,504,936,360,704/312,938,586.06
  6. Step 6: Final answer
    x = 223,748,390.44

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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.