Home / 220,288,998.60-330,433,497.90-105,497,742.60

Finding the Fourth Proportional to 220,288,998.60, 330,433,497.90 and 105,497,742.60

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Solution

The fourth proportional to 220,288,998.60, 330,433,497.90 and 105,497,742.60 is: 158,246,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,288,998.60 : 330,433,497.90 = 105,497,742.60 : x
  2. Step 2: Convert to fraction form
    220,288,998.60/330,433,497.90 = 105,497,742.60/x
  3. Step 3: Cross multiply
    220,288,998.60x = 330,433,497.90 × 105,497,742.60
  4. Step 4: Simplify right side
    220,288,998.60x = 34,859,988,107,871,836
  5. Step 5: Solve for x
    x = 34,859,988,107,871,836/220,288,998.60
  6. Step 6: Final answer
    x = 158,246,613.90

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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.