Home / 222,346,852.19-306,838,685.12-123,233,998.49

Finding the Fourth Proportional to 222,346,852.19, 306,838,685.12 and 123,233,998.49

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Solution

The fourth proportional to 222,346,852.19, 306,838,685.12 and 123,233,998.49 is: 170,062,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,346,852.19 : 306,838,685.12 = 123,233,998.49 : x
  2. Step 2: Convert to fraction form
    222,346,852.19/306,838,685.12 = 123,233,998.49/x
  3. Step 3: Cross multiply
    222,346,852.19x = 306,838,685.12 × 123,233,998.49
  4. Step 4: Simplify right side
    222,346,852.19x = 37,812,958,056,601,304
  5. Step 5: Solve for x
    x = 37,812,958,056,601,304/222,346,852.19
  6. Step 6: Final answer
    x = 170,062,934.04

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1.5x scale

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.