Home / 219,654,724.35-303,128,150.47-120,534,604.73

Finding the Fourth Proportional to 219,654,724.35, 303,128,150.47 and 120,534,604.73

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Solution

The fourth proportional to 219,654,724.35, 303,128,150.47 and 120,534,604.73 is: 166,340,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,654,724.35 : 303,128,150.47 = 120,534,604.73 : x
  2. Step 2: Convert to fraction form
    219,654,724.35/303,128,150.47 = 120,534,604.73/x
  3. Step 3: Cross multiply
    219,654,724.35x = 303,128,150.47 × 120,534,604.73
  4. Step 4: Simplify right side
    219,654,724.35x = 36,537,431,799,437,416
  5. Step 5: Solve for x
    x = 36,537,431,799,437,416/219,654,724.35
  6. Step 6: Final answer
    x = 166,340,295.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.