Home / 100,017,397.89-149,831,975.66-73,708,453.35

Finding the Fourth Proportional to 100,017,397.89, 149,831,975.66 and 73,708,453.35

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Solution

The fourth proportional to 100,017,397.89, 149,831,975.66 and 73,708,453.35 is: 110,419,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,017,397.89 : 149,831,975.66 = 73,708,453.35 : x
  2. Step 2: Convert to fraction form
    100,017,397.89/149,831,975.66 = 73,708,453.35/x
  3. Step 3: Cross multiply
    100,017,397.89x = 149,831,975.66 × 73,708,453.35
  4. Step 4: Simplify right side
    100,017,397.89x = 11,043,883,187,904,902
  5. Step 5: Solve for x
    x = 11,043,883,187,904,902/100,017,397.89
  6. Step 6: Final answer
    x = 110,419,621.19

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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.