Home / 201,979,405.47-303,023,082.66-72,588,136.59

Finding the Fourth Proportional to 201,979,405.47, 303,023,082.66 and 72,588,136.59

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Solution

The fourth proportional to 201,979,405.47, 303,023,082.66 and 72,588,136.59 is: 108,901,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,979,405.47 : 303,023,082.66 = 72,588,136.59 : x
  2. Step 2: Convert to fraction form
    201,979,405.47/303,023,082.66 = 72,588,136.59/x
  3. Step 3: Cross multiply
    201,979,405.47x = 303,023,082.66 × 72,588,136.59
  4. Step 4: Simplify right side
    201,979,405.47x = 21,995,880,914,046,944
  5. Step 5: Solve for x
    x = 21,995,880,914,046,944/201,979,405.47
  6. Step 6: Final answer
    x = 108,901,602.43

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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.