Home / 132,478,877.56-198,747,954.31-40,369,824.46

Finding the Fourth Proportional to 132,478,877.56, 198,747,954.31 and 40,369,824.46

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Solution

The fourth proportional to 132,478,877.56, 198,747,954.31 and 40,369,824.46 is: 60,563,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,478,877.56 : 198,747,954.31 = 40,369,824.46 : x
  2. Step 2: Convert to fraction form
    132,478,877.56/198,747,954.31 = 40,369,824.46/x
  3. Step 3: Cross multiply
    132,478,877.56x = 198,747,954.31 × 40,369,824.46
  4. Step 4: Simplify right side
    132,478,877.56x = 8,023,420,026,720,007
  5. Step 5: Solve for x
    x = 8,023,420,026,720,007/132,478,877.56
  6. Step 6: Final answer
    x = 60,563,768.16

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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.