Home / 202,384,311.12-279,290,393.04-109,565,581.68

Finding the Fourth Proportional to 202,384,311.12, 279,290,393.04 and 109,565,581.68

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Solution

The fourth proportional to 202,384,311.12, 279,290,393.04 and 109,565,581.68 is: 151,200,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,384,311.12 : 279,290,393.04 = 109,565,581.68 : x
  2. Step 2: Convert to fraction form
    202,384,311.12/279,290,393.04 = 109,565,581.68/x
  3. Step 3: Cross multiply
    202,384,311.12x = 279,290,393.04 × 109,565,581.68
  4. Step 4: Simplify right side
    202,384,311.12x = 30,600,614,371,063,428
  5. Step 5: Solve for x
    x = 30,600,614,371,063,428/202,384,311.12
  6. Step 6: Final answer
    x = 151,200,526.37

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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.