Home / 214,992,767,221.20-322,489,150,831.80-97,220,780,686.80

Finding the Fourth Proportional to 214,992,767,221.20, 322,489,150,831.80 and 97,220,780,686.80

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Solution

The fourth proportional to 214,992,767,221.20, 322,489,150,831.80 and 97,220,780,686.80 is: 145,831,171,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,992,767,221.20 : 322,489,150,831.80 = 97,220,780,686.80 : x
  2. Step 2: Convert to fraction form
    214,992,767,221.20/322,489,150,831.80 = 97,220,780,686.80/x
  3. Step 3: Cross multiply
    214,992,767,221.20x = 322,489,150,831.80 × 97,220,780,686.80
  4. Step 4: Simplify right side
    214,992,767,221.20x = 31,352,647,006,890,791,796,736
  5. Step 5: Solve for x
    x = 31,352,647,006,890,791,796,736/214,992,767,221.20
  6. Step 6: Final answer
    x = 145,831,171,030.20

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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.