Home / 30,062,168.80-45,092,725.44-20,831,629.12

Finding the Fourth Proportional to 30,062,168.80, 45,092,725.44 and 20,831,629.12

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Solution

The fourth proportional to 30,062,168.80, 45,092,725.44 and 20,831,629.12 is: 31,247,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,062,168.80 : 45,092,725.44 = 20,831,629.12 : x
  2. Step 2: Convert to fraction form
    30,062,168.80/45,092,725.44 = 20,831,629.12/x
  3. Step 3: Cross multiply
    30,062,168.80x = 45,092,725.44 × 20,831,629.12
  4. Step 4: Simplify right side
    30,062,168.80x = 939,354,932,376,068.75
  5. Step 5: Solve for x
    x = 939,354,932,376,068.75/30,062,168.80
  6. Step 6: Final answer
    x = 31,247,077.97

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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.