Home / 222,348,957.80-306,841,590.42-123,236,103.74

Finding the Fourth Proportional to 222,348,957.80, 306,841,590.42 and 123,236,103.74

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Solution

The fourth proportional to 222,348,957.80, 306,841,590.42 and 123,236,103.74 is: 170,065,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,348,957.80 : 306,841,590.42 = 123,236,103.74 : x
  2. Step 2: Convert to fraction form
    222,348,957.80/306,841,590.42 = 123,236,103.74/x
  3. Step 3: Cross multiply
    222,348,957.80x = 306,841,590.42 × 123,236,103.74
  4. Step 4: Simplify right side
    222,348,957.80x = 37,813,962,068,745,712
  5. Step 5: Solve for x
    x = 37,813,962,068,745,712/222,348,957.80
  6. Step 6: Final answer
    x = 170,065,839.04

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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.