Home / 112,817,986.79-155,631,523.50-73,682,671.55

Finding the Fourth Proportional to 112,817,986.79, 155,631,523.50 and 73,682,671.55

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Solution

The fourth proportional to 112,817,986.79, 155,631,523.50 and 73,682,671.55 is: 101,644,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,817,986.79 : 155,631,523.50 = 73,682,671.55 : x
  2. Step 2: Convert to fraction form
    112,817,986.79/155,631,523.50 = 73,682,671.55/x
  3. Step 3: Cross multiply
    112,817,986.79x = 155,631,523.50 × 73,682,671.55
  4. Step 4: Simplify right side
    112,817,986.79x = 11,467,346,428,098,450
  5. Step 5: Solve for x
    x = 11,467,346,428,098,450/112,817,986.79
  6. Step 6: Final answer
    x = 101,644,664.60

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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.