Home / 218,329,786,935.56-301,310,697,043.08-120,669,326,965.79

Finding the Fourth Proportional to 218,329,786,935.56, 301,310,697,043.08 and 120,669,326,965.79

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Solution

The fourth proportional to 218,329,786,935.56, 301,310,697,043.08 and 120,669,326,965.79 is: 166,532,288,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,329,786,935.56 : 301,310,697,043.08 = 120,669,326,965.79 : x
  2. Step 2: Convert to fraction form
    218,329,786,935.56/301,310,697,043.08 = 120,669,326,965.79/x
  3. Step 3: Cross multiply
    218,329,786,935.56x = 301,310,697,043.08 × 120,669,326,965.79
  4. Step 4: Simplify right side
    218,329,786,935.56x = 36,358,959,019,781,513,019,392
  5. Step 5: Solve for x
    x = 36,358,959,019,781,513,019,392/218,329,786,935.56
  6. Step 6: Final answer
    x = 166,532,288,287.87

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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.