Home / 166,660,391.42-229,988,262.99-92,319,320.81

Finding the Fourth Proportional to 166,660,391.42, 229,988,262.99 and 92,319,320.81

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Solution

The fourth proportional to 166,660,391.42, 229,988,262.99 and 92,319,320.81 is: 127,398,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,660,391.42 : 229,988,262.99 = 92,319,320.81 : x
  2. Step 2: Convert to fraction form
    166,660,391.42/229,988,262.99 = 92,319,320.81/x
  3. Step 3: Cross multiply
    166,660,391.42x = 229,988,262.99 × 92,319,320.81
  4. Step 4: Simplify right side
    166,660,391.42x = 21,232,360,232,970,360
  5. Step 5: Solve for x
    x = 21,232,360,232,970,360/166,660,391.42
  6. Step 6: Final answer
    x = 127,398,958.16

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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.