Home / 81,684,986.32-112,725,301.08-44,515,277.56

Finding the Fourth Proportional to 81,684,986.32, 112,725,301.08 and 44,515,277.56

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Solution

The fourth proportional to 81,684,986.32, 112,725,301.08 and 44,515,277.56 is: 61,431,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,684,986.32 : 112,725,301.08 = 44,515,277.56 : x
  2. Step 2: Convert to fraction form
    81,684,986.32/112,725,301.08 = 44,515,277.56/x
  3. Step 3: Cross multiply
    81,684,986.32x = 112,725,301.08 × 44,515,277.56
  4. Step 4: Simplify right side
    81,684,986.32x = 5,017,998,065,610,768
  5. Step 5: Solve for x
    x = 5,017,998,065,610,768/81,684,986.32
  6. Step 6: Final answer
    x = 61,431,093.91

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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.