Home / 214,466,120.72-321,807,830.97-97,868,555.54

Finding the Fourth Proportional to 214,466,120.72, 321,807,830.97 and 97,868,555.54

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Solution

The fourth proportional to 214,466,120.72, 321,807,830.97 and 97,868,555.54 is: 146,852,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,466,120.72 : 321,807,830.97 = 97,868,555.54 : x
  2. Step 2: Convert to fraction form
    214,466,120.72/321,807,830.97 = 97,868,555.54/x
  3. Step 3: Cross multiply
    214,466,120.72x = 321,807,830.97 × 97,868,555.54
  4. Step 4: Simplify right side
    214,466,120.72x = 31,494,867,576,885,340
  5. Step 5: Solve for x
    x = 31,494,867,576,885,340/214,466,120.72
  6. Step 6: Final answer
    x = 146,852,414.13

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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.