Home / 199,331,258.70-298,996,888.05-145,583,546.70

Finding the Fourth Proportional to 199,331,258.70, 298,996,888.05 and 145,583,546.70

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Solution

The fourth proportional to 199,331,258.70, 298,996,888.05 and 145,583,546.70 is: 218,375,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331,258.70 : 298,996,888.05 = 145,583,546.70 : x
  2. Step 2: Convert to fraction form
    199,331,258.70/298,996,888.05 = 145,583,546.70/x
  3. Step 3: Cross multiply
    199,331,258.70x = 298,996,888.05 × 145,583,546.70
  4. Step 4: Simplify right side
    199,331,258.70x = 43,529,027,414,581,848
  5. Step 5: Solve for x
    x = 43,529,027,414,581,848/199,331,258.70
  6. Step 6: Final answer
    x = 218,375,320.05

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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.