Home / 122,679,261.64-169,267,185.30-74,982,444.04

Finding the Fourth Proportional to 122,679,261.64, 169,267,185.30 and 74,982,444.04

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Solution

The fourth proportional to 122,679,261.64, 169,267,185.30 and 74,982,444.04 is: 103,457,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,679,261.64 : 169,267,185.30 = 74,982,444.04 : x
  2. Step 2: Convert to fraction form
    122,679,261.64/169,267,185.30 = 74,982,444.04/x
  3. Step 3: Cross multiply
    122,679,261.64x = 169,267,185.30 × 74,982,444.04
  4. Step 4: Simplify right side
    122,679,261.64x = 12,692,067,249,565,562
  5. Step 5: Solve for x
    x = 12,692,067,249,565,562/122,679,261.64
  6. Step 6: Final answer
    x = 103,457,316.91

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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.