Home / 81,660,015-112,690,485.36-44,490,190.68

Finding the Fourth Proportional to 81,660,015, 112,690,485.36 and 44,490,190.68

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Solution

The fourth proportional to 81,660,015, 112,690,485.36 and 44,490,190.68 is: 61,396,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,660,015 : 112,690,485.36 = 44,490,190.68 : x
  2. Step 2: Convert to fraction form
    81,660,015/112,690,485.36 = 44,490,190.68/x
  3. Step 3: Cross multiply
    81,660,015x = 112,690,485.36 × 44,490,190.68
  4. Step 4: Simplify right side
    81,660,015x = 5,013,621,181,488,148
  5. Step 5: Solve for x
    x = 5,013,621,181,488,148/81,660,015
  6. Step 6: Final answer
    x = 61,396,280.44

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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.