Home / 220,999,017.31-331,441,961.73-65,516,466.40

Finding the Fourth Proportional to 220,999,017.31, 331,441,961.73 and 65,516,466.40

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Solution

The fourth proportional to 220,999,017.31, 331,441,961.73 and 65,516,466.40 is: 98,257,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,999,017.31 : 331,441,961.73 = 65,516,466.40 : x
  2. Step 2: Convert to fraction form
    220,999,017.31/331,441,961.73 = 65,516,466.40/x
  3. Step 3: Cross multiply
    220,999,017.31x = 331,441,961.73 × 65,516,466.40
  4. Step 4: Simplify right side
    220,999,017.31x = 21,714,906,149,233,632
  5. Step 5: Solve for x
    x = 21,714,906,149,233,632/220,999,017.31
  6. Step 6: Final answer
    x = 98,257,930.80

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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.