Home / 108,663,703.57-149,942,291.38-73,458,108.53

Finding the Fourth Proportional to 108,663,703.57, 149,942,291.38 and 73,458,108.53

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Solution

The fourth proportional to 108,663,703.57, 149,942,291.38 and 73,458,108.53 is: 101,362,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,663,703.57 : 149,942,291.38 = 73,458,108.53 : x
  2. Step 2: Convert to fraction form
    108,663,703.57/149,942,291.38 = 73,458,108.53/x
  3. Step 3: Cross multiply
    108,663,703.57x = 149,942,291.38 × 73,458,108.53
  4. Step 4: Simplify right side
    108,663,703.57x = 11,014,477,112,495,568
  5. Step 5: Solve for x
    x = 11,014,477,112,495,568/108,663,703.57
  6. Step 6: Final answer
    x = 101,362,982.77

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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.