Home / 108,666,161.79-149,945,683.19-73,460,557.50

Finding the Fourth Proportional to 108,666,161.79, 149,945,683.19 and 73,460,557.50

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Solution

The fourth proportional to 108,666,161.79, 149,945,683.19 and 73,460,557.50 is: 101,366,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,666,161.79 : 149,945,683.19 = 73,460,557.50 : x
  2. Step 2: Convert to fraction form
    108,666,161.79/149,945,683.19 = 73,460,557.50/x
  3. Step 3: Cross multiply
    108,666,161.79x = 149,945,683.19 × 73,460,557.50
  4. Step 4: Simplify right side
    108,666,161.79x = 11,015,093,481,488,476
  5. Step 5: Solve for x
    x = 11,015,093,481,488,476/108,666,161.79
  6. Step 6: Final answer
    x = 101,366,361.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.