Home / 220,109,677.20-330,122,525.40-66,760,736.40

Finding the Fourth Proportional to 220,109,677.20, 330,122,525.40 and 66,760,736.40

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Solution

The fourth proportional to 220,109,677.20, 330,122,525.40 and 66,760,736.40 is: 100,128,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109,677.20 : 330,122,525.40 = 66,760,736.40 : x
  2. Step 2: Convert to fraction form
    220,109,677.20/330,122,525.40 = 66,760,736.40/x
  3. Step 3: Cross multiply
    220,109,677.20x = 330,122,525.40 × 66,760,736.40
  4. Step 4: Simplify right side
    220,109,677.20x = 22,039,222,897,931,704
  5. Step 5: Solve for x
    x = 22,039,222,897,931,704/220,109,677.20
  6. Step 6: Final answer
    x = 100,128,368.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.