Home / 218,329,786,935.69-301,310,697,043.24-120,669,326,965.91

Finding the Fourth Proportional to 218,329,786,935.69, 301,310,697,043.24 and 120,669,326,965.91

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Solution

The fourth proportional to 218,329,786,935.69, 301,310,697,043.24 and 120,669,326,965.91 is: 166,532,288,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,329,786,935.69 : 301,310,697,043.24 = 120,669,326,965.91 : x
  2. Step 2: Convert to fraction form
    218,329,786,935.69/301,310,697,043.24 = 120,669,326,965.91/x
  3. Step 3: Cross multiply
    218,329,786,935.69x = 301,310,697,043.24 × 120,669,326,965.91
  4. Step 4: Simplify right side
    218,329,786,935.69x = 36,358,959,019,836,978,495,488
  5. Step 5: Solve for x
    x = 36,358,959,019,836,978,495,488/218,329,786,935.69
  6. Step 6: Final answer
    x = 166,532,288,288.02

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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.