Home / 90,543,136.23-124,949,172.60-50,845,157.82

Finding the Fourth Proportional to 90,543,136.23, 124,949,172.60 and 50,845,157.82

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Solution

The fourth proportional to 90,543,136.23, 124,949,172.60 and 50,845,157.82 is: 70,166,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,543,136.23 : 124,949,172.60 = 50,845,157.82 : x
  2. Step 2: Convert to fraction form
    90,543,136.23/124,949,172.60 = 50,845,157.82/x
  3. Step 3: Cross multiply
    90,543,136.23x = 124,949,172.60 × 50,845,157.82
  4. Step 4: Simplify right side
    90,543,136.23x = 6,353,060,400,325,419
  5. Step 5: Solve for x
    x = 6,353,060,400,325,419/90,543,136.23
  6. Step 6: Final answer
    x = 70,166,118.22

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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.