Home / 108,222,687.68-162,163,853.76-83,690,496.32

Finding the Fourth Proportional to 108,222,687.68, 162,163,853.76 and 83,690,496.32

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Solution

The fourth proportional to 108,222,687.68, 162,163,853.76 and 83,690,496.32 is: 125,404,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,222,687.68 : 162,163,853.76 = 83,690,496.32 : x
  2. Step 2: Convert to fraction form
    108,222,687.68/162,163,853.76 = 83,690,496.32/x
  3. Step 3: Cross multiply
    108,222,687.68x = 162,163,853.76 × 83,690,496.32
  4. Step 4: Simplify right side
    108,222,687.68x = 13,571,573,406,338,296
  5. Step 5: Solve for x
    x = 13,571,573,406,338,296/108,222,687.68
  6. Step 6: Final answer
    x = 125,404,143.04

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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.