Home / 193,728,128.49-267,344,740.55-105,622,198.16

Finding the Fourth Proportional to 193,728,128.49, 267,344,740.55 and 105,622,198.16

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Solution

The fourth proportional to 193,728,128.49, 267,344,740.55 and 105,622,198.16 is: 145,758,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,728,128.49 : 267,344,740.55 = 105,622,198.16 : x
  2. Step 2: Convert to fraction form
    193,728,128.49/267,344,740.55 = 105,622,198.16/x
  3. Step 3: Cross multiply
    193,728,128.49x = 267,344,740.55 × 105,622,198.16
  4. Step 4: Simplify right side
    193,728,128.49x = 28,237,539,162,333,220
  5. Step 5: Solve for x
    x = 28,237,539,162,333,220/193,728,128.49
  6. Step 6: Final answer
    x = 145,758,591.60

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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.