Home / 220,287,300.05-304,002,207.72-121,170,601.10

Finding the Fourth Proportional to 220,287,300.05, 304,002,207.72 and 121,170,601.10

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Solution

The fourth proportional to 220,287,300.05, 304,002,207.72 and 121,170,601.10 is: 167,218,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,287,300.05 : 304,002,207.72 = 121,170,601.10 : x
  2. Step 2: Convert to fraction form
    220,287,300.05/304,002,207.72 = 121,170,601.10/x
  3. Step 3: Cross multiply
    220,287,300.05x = 304,002,207.72 × 121,170,601.10
  4. Step 4: Simplify right side
    220,287,300.05x = 36,836,130,243,639,456
  5. Step 5: Solve for x
    x = 36,836,130,243,639,456/220,287,300.05
  6. Step 6: Final answer
    x = 167,218,583.35

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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.