Home / 116,990,883.52-161,615,589.20-93,438,497.60

Finding the Fourth Proportional to 116,990,883.52, 161,615,589.20 and 93,438,497.60

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Solution

The fourth proportional to 116,990,883.52, 161,615,589.20 and 93,438,497.60 is: 129,079,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,990,883.52 : 161,615,589.20 = 93,438,497.60 : x
  2. Step 2: Convert to fraction form
    116,990,883.52/161,615,589.20 = 93,438,497.60/x
  3. Step 3: Cross multiply
    116,990,883.52x = 161,615,589.20 × 93,438,497.60
  4. Step 4: Simplify right side
    116,990,883.52x = 15,101,117,843,586,784
  5. Step 5: Solve for x
    x = 15,101,117,843,586,784/116,990,883.52
  6. Step 6: Final answer
    x = 129,079,440.97

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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.