Home / 108,660,993.06-149,938,560.46-73,455,398.76

Finding the Fourth Proportional to 108,660,993.06, 149,938,560.46 and 73,455,398.76

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Solution

The fourth proportional to 108,660,993.06, 149,938,560.46 and 73,455,398.76 is: 101,359,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,660,993.06 : 149,938,560.46 = 73,455,398.76 : x
  2. Step 2: Convert to fraction form
    108,660,993.06/149,938,560.46 = 73,455,398.76/x
  3. Step 3: Cross multiply
    108,660,993.06x = 149,938,560.46 × 73,455,398.76
  4. Step 4: Simplify right side
    108,660,993.06x = 11,013,796,748,089,670
  5. Step 5: Solve for x
    x = 11,013,796,748,089,670/108,660,993.06
  6. Step 6: Final answer
    x = 101,359,249.88

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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.