Home / 268,491,715.60-370,515,890.52-149,412,268.16

Finding the Fourth Proportional to 268,491,715.60, 370,515,890.52 and 149,412,268.16

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Solution

The fourth proportional to 268,491,715.60, 370,515,890.52 and 149,412,268.16 is: 206,187,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,491,715.60 : 370,515,890.52 = 149,412,268.16 : x
  2. Step 2: Convert to fraction form
    268,491,715.60/370,515,890.52 = 149,412,268.16/x
  3. Step 3: Cross multiply
    268,491,715.60x = 370,515,890.52 × 149,412,268.16
  4. Step 4: Simplify right side
    268,491,715.60x = 55,359,619,593,642,688
  5. Step 5: Solve for x
    x = 55,359,619,593,642,688/268,491,715.60
  6. Step 6: Final answer
    x = 206,187,440.35

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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.