Home / 220,287,298.55-304,002,205.65-121,170,599.60

Finding the Fourth Proportional to 220,287,298.55, 304,002,205.65 and 121,170,599.60

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Solution

The fourth proportional to 220,287,298.55, 304,002,205.65 and 121,170,599.60 is: 167,218,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,287,298.55 : 304,002,205.65 = 121,170,599.60 : x
  2. Step 2: Convert to fraction form
    220,287,298.55/304,002,205.65 = 121,170,599.60/x
  3. Step 3: Cross multiply
    220,287,298.55x = 304,002,205.65 × 121,170,599.60
  4. Step 4: Simplify right side
    220,287,298.55x = 36,836,129,536,812,992
  5. Step 5: Solve for x
    x = 36,836,129,536,812,992/220,287,298.55
  6. Step 6: Final answer
    x = 167,218,581.28

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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.