Home / 193,724,668.72-267,339,854.73-105,618,643.21

Finding the Fourth Proportional to 193,724,668.72, 267,339,854.73 and 105,618,643.21

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Solution

The fourth proportional to 193,724,668.72, 267,339,854.73 and 105,618,643.21 is: 145,753,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,724,668.72 : 267,339,854.73 = 105,618,643.21 : x
  2. Step 2: Convert to fraction form
    193,724,668.72/267,339,854.73 = 105,618,643.21/x
  3. Step 3: Cross multiply
    193,724,668.72x = 267,339,854.73 × 105,618,643.21
  4. Step 4: Simplify right side
    193,724,668.72x = 28,236,072,732,541,096
  5. Step 5: Solve for x
    x = 28,236,072,732,541,096/193,724,668.72
  6. Step 6: Final answer
    x = 145,753,625.08

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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.