Home / 220,573,562.40-330,872,785.20-67,224,621.60

Finding the Fourth Proportional to 220,573,562.40, 330,872,785.20 and 67,224,621.60

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Solution

The fourth proportional to 220,573,562.40, 330,872,785.20 and 67,224,621.60 is: 100,840,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,573,562.40 : 330,872,785.20 = 67,224,621.60 : x
  2. Step 2: Convert to fraction form
    220,573,562.40/330,872,785.20 = 67,224,621.60/x
  3. Step 3: Cross multiply
    220,573,562.40x = 330,872,785.20 × 67,224,621.60
  4. Step 4: Simplify right side
    220,573,562.40x = 22,242,797,782,808,076
  5. Step 5: Solve for x
    x = 22,242,797,782,808,076/220,573,562.40
  6. Step 6: Final answer
    x = 100,840,724.25

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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.