Home / 146,755,548.82-220,193,664.99-64,831,189.78

Finding the Fourth Proportional to 146,755,548.82, 220,193,664.99 and 64,831,189.78

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Solution

The fourth proportional to 146,755,548.82, 220,193,664.99 and 64,831,189.78 is: 97,273,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,755,548.82 : 220,193,664.99 = 64,831,189.78 : x
  2. Step 2: Convert to fraction form
    146,755,548.82/220,193,664.99 = 64,831,189.78/x
  3. Step 3: Cross multiply
    146,755,548.82x = 220,193,664.99 × 64,831,189.78
  4. Step 4: Simplify right side
    146,755,548.82x = 14,275,417,283,320,432
  5. Step 5: Solve for x
    x = 14,275,417,283,320,432/146,755,548.82
  6. Step 6: Final answer
    x = 97,273,441.43

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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.