Home / 123,923,294.13-171,017,336.94-68,170,146.87

Finding the Fourth Proportional to 123,923,294.13, 171,017,336.94 and 68,170,146.87

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Solution

The fourth proportional to 123,923,294.13, 171,017,336.94 and 68,170,146.87 is: 94,076,558.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,923,294.13 : 171,017,336.94 = 68,170,146.87 : x
  2. Step 2: Convert to fraction form
    123,923,294.13/171,017,336.94 = 68,170,146.87/x
  3. Step 3: Cross multiply
    123,923,294.13x = 171,017,336.94 × 68,170,146.87
  4. Step 4: Simplify right side
    123,923,294.13x = 11,658,276,976,516,078
  5. Step 5: Solve for x
    x = 11,658,276,976,516,078/123,923,294.13
  6. Step 6: Final answer
    x = 94,076,558.07

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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.