Home / 202,723,371-279,989,199.18-137,419,900.92

Finding the Fourth Proportional to 202,723,371, 279,989,199.18 and 137,419,900.92

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Solution

The fourth proportional to 202,723,371, 279,989,199.18 and 137,419,900.92 is: 189,796,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,723,371 : 279,989,199.18 = 137,419,900.92 : x
  2. Step 2: Convert to fraction form
    202,723,371/279,989,199.18 = 137,419,900.92/x
  3. Step 3: Cross multiply
    202,723,371x = 279,989,199.18 × 137,419,900.92
  4. Step 4: Simplify right side
    202,723,371x = 38,476,088,009,985,744
  5. Step 5: Solve for x
    x = 38,476,088,009,985,744/202,723,371
  6. Step 6: Final answer
    x = 189,796,015.23

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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.