Home / 220,287,301.05-304,002,209.10-121,170,602.10

Finding the Fourth Proportional to 220,287,301.05, 304,002,209.10 and 121,170,602.10

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Solution

The fourth proportional to 220,287,301.05, 304,002,209.10 and 121,170,602.10 is: 167,218,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,287,301.05 : 304,002,209.10 = 121,170,602.10 : x
  2. Step 2: Convert to fraction form
    220,287,301.05/304,002,209.10 = 121,170,602.10/x
  3. Step 3: Cross multiply
    220,287,301.05x = 304,002,209.10 × 121,170,602.10
  4. Step 4: Simplify right side
    220,287,301.05x = 36,836,130,716,377,104
  5. Step 5: Solve for x
    x = 36,836,130,716,377,104/220,287,301.05
  6. Step 6: Final answer
    x = 167,218,584.73

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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.