Home / 267,147,449.70-399,870,868.95-190,619,945.70

Finding the Fourth Proportional to 267,147,449.70, 399,870,868.95 and 190,619,945.70

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Solution

The fourth proportional to 267,147,449.70, 399,870,868.95 and 190,619,945.70 is: 285,323,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,147,449.70 : 399,870,868.95 = 190,619,945.70 : x
  2. Step 2: Convert to fraction form
    267,147,449.70/399,870,868.95 = 190,619,945.70/x
  3. Step 3: Cross multiply
    267,147,449.70x = 399,870,868.95 × 190,619,945.70
  4. Step 4: Simplify right side
    267,147,449.70x = 76,223,363,326,260,816
  5. Step 5: Solve for x
    x = 76,223,363,326,260,816/267,147,449.70
  6. Step 6: Final answer
    x = 285,323,192.91

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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.