Home / 122,428,327.80-168,949,972.62-67,423,003.32

Finding the Fourth Proportional to 122,428,327.80, 168,949,972.62 and 67,423,003.32

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Solution

The fourth proportional to 122,428,327.80, 168,949,972.62 and 67,423,003.32 is: 93,043,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,428,327.80 : 168,949,972.62 = 67,423,003.32 : x
  2. Step 2: Convert to fraction form
    122,428,327.80/168,949,972.62 = 67,423,003.32/x
  3. Step 3: Cross multiply
    122,428,327.80x = 168,949,972.62 × 67,423,003.32
  4. Step 4: Simplify right side
    122,428,327.80x = 11,391,114,564,872,168
  5. Step 5: Solve for x
    x = 11,391,114,564,872,168/122,428,327.80
  6. Step 6: Final answer
    x = 93,043,127.92

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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.