Home / 112,268,793.30-168,403,189.95-82,035,705.30

Finding the Fourth Proportional to 112,268,793.30, 168,403,189.95 and 82,035,705.30

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Solution

The fourth proportional to 112,268,793.30, 168,403,189.95 and 82,035,705.30 is: 123,053,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268,793.30 : 168,403,189.95 = 82,035,705.30 : x
  2. Step 2: Convert to fraction form
    112,268,793.30/168,403,189.95 = 82,035,705.30/x
  3. Step 3: Cross multiply
    112,268,793.30x = 168,403,189.95 × 82,035,705.30
  4. Step 4: Simplify right side
    112,268,793.30x = 13,815,074,462,318,120
  5. Step 5: Solve for x
    x = 13,815,074,462,318,120/112,268,793.30
  6. Step 6: Final answer
    x = 123,053,557.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.