Home / 198,151,921.80-296,271,288.90-146,495,856.60

Finding the Fourth Proportional to 198,151,921.80, 296,271,288.90 and 146,495,856.60

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Solution

The fourth proportional to 198,151,921.80, 296,271,288.90 and 146,495,856.60 is: 219,036,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,151,921.80 : 296,271,288.90 = 146,495,856.60 : x
  2. Step 2: Convert to fraction form
    198,151,921.80/296,271,288.90 = 146,495,856.60/x
  3. Step 3: Cross multiply
    198,151,921.80x = 296,271,288.90 × 146,495,856.60
  4. Step 4: Simplify right side
    198,151,921.80x = 43,402,516,253,391,568
  5. Step 5: Solve for x
    x = 43,402,516,253,391,568/198,151,921.80
  6. Step 6: Final answer
    x = 219,036,564.77

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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.