Home / 122,679,264.64-169,267,189.44-74,982,447.04

Finding the Fourth Proportional to 122,679,264.64, 169,267,189.44 and 74,982,447.04

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Solution

The fourth proportional to 122,679,264.64, 169,267,189.44 and 74,982,447.04 is: 103,457,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,679,264.64 : 169,267,189.44 = 74,982,447.04 : x
  2. Step 2: Convert to fraction form
    122,679,264.64/169,267,189.44 = 74,982,447.04/x
  3. Step 3: Cross multiply
    122,679,264.64x = 169,267,189.44 × 74,982,447.04
  4. Step 4: Simplify right side
    122,679,264.64x = 12,692,068,067,794,448
  5. Step 5: Solve for x
    x = 12,692,068,067,794,448/122,679,264.64
  6. Step 6: Final answer
    x = 103,457,321.05

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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.