Home / 213,469,086.80-294,618,931.08-135,159,919.76

Finding the Fourth Proportional to 213,469,086.80, 294,618,931.08 and 135,159,919.76

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Solution

The fourth proportional to 213,469,086.80, 294,618,931.08 and 135,159,919.76 is: 186,540,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,469,086.80 : 294,618,931.08 = 135,159,919.76 : x
  2. Step 2: Convert to fraction form
    213,469,086.80/294,618,931.08 = 135,159,919.76/x
  3. Step 3: Cross multiply
    213,469,086.80x = 294,618,931.08 × 135,159,919.76
  4. Step 4: Simplify right side
    213,469,086.80x = 39,820,671,084,549,768
  5. Step 5: Solve for x
    x = 39,820,671,084,549,768/213,469,086.80
  6. Step 6: Final answer
    x = 186,540,691.59

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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.