Home / 221,433,944.20-332,150,916.30-129,223,025.80

Finding the Fourth Proportional to 221,433,944.20, 332,150,916.30 and 129,223,025.80

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Solution

The fourth proportional to 221,433,944.20, 332,150,916.30 and 129,223,025.80 is: 193,834,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,944.20 : 332,150,916.30 = 129,223,025.80 : x
  2. Step 2: Convert to fraction form
    221,433,944.20/332,150,916.30 = 129,223,025.80/x
  3. Step 3: Cross multiply
    221,433,944.20x = 332,150,916.30 × 129,223,025.80
  4. Step 4: Simplify right side
    221,433,944.20x = 42,921,546,426,528,544
  5. Step 5: Solve for x
    x = 42,921,546,426,528,544/221,433,944.20
  6. Step 6: Final answer
    x = 193,834,538.70

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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.