Home / 220,642,268.52-304,500,158.76-121,522,996.20

Finding the Fourth Proportional to 220,642,268.52, 304,500,158.76 and 121,522,996.20

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Solution

The fourth proportional to 220,642,268.52, 304,500,158.76 and 121,522,996.20 is: 167,709,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,642,268.52 : 304,500,158.76 = 121,522,996.20 : x
  2. Step 2: Convert to fraction form
    220,642,268.52/304,500,158.76 = 121,522,996.20/x
  3. Step 3: Cross multiply
    220,642,268.52x = 304,500,158.76 × 121,522,996.20
  4. Step 4: Simplify right side
    220,642,268.52x = 37,003,771,635,890,880
  5. Step 5: Solve for x
    x = 37,003,771,635,890,880/220,642,268.52
  6. Step 6: Final answer
    x = 167,709,350.91

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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.