Home / 220,053,800.70-330,080,701.05-66,679,928.10

Finding the Fourth Proportional to 220,053,800.70, 330,080,701.05 and 66,679,928.10

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Solution

The fourth proportional to 220,053,800.70, 330,080,701.05 and 66,679,928.10 is: 100,019,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,053,800.70 : 330,080,701.05 = 66,679,928.10 : x
  2. Step 2: Convert to fraction form
    220,053,800.70/330,080,701.05 = 66,679,928.10/x
  3. Step 3: Cross multiply
    220,053,800.70x = 330,080,701.05 × 66,679,928.10
  4. Step 4: Simplify right side
    220,053,800.70x = 22,009,757,413,211,596
  5. Step 5: Solve for x
    x = 22,009,757,413,211,596/220,053,800.70
  6. Step 6: Final answer
    x = 100,019,892.15

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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.