Home / 220,063,818.60-330,095,727.90-203,435,620.20

Finding the Fourth Proportional to 220,063,818.60, 330,095,727.90 and 203,435,620.20

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Solution

The fourth proportional to 220,063,818.60, 330,095,727.90 and 203,435,620.20 is: 305,153,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,063,818.60 : 330,095,727.90 = 203,435,620.20 : x
  2. Step 2: Convert to fraction form
    220,063,818.60/330,095,727.90 = 203,435,620.20/x
  3. Step 3: Cross multiply
    220,063,818.60x = 330,095,727.90 × 203,435,620.20
  4. Step 4: Simplify right side
    220,063,818.60x = 67,153,229,130,706,936
  5. Step 5: Solve for x
    x = 67,153,229,130,706,936/220,063,818.60
  6. Step 6: Final answer
    x = 305,153,430.30

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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.