Home / 112,817,984.94-155,631,520.94-73,682,669.70

Finding the Fourth Proportional to 112,817,984.94, 155,631,520.94 and 73,682,669.70

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Solution

The fourth proportional to 112,817,984.94, 155,631,520.94 and 73,682,669.70 is: 101,644,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,817,984.94 : 155,631,520.94 = 73,682,669.70 : x
  2. Step 2: Convert to fraction form
    112,817,984.94/155,631,520.94 = 73,682,669.70/x
  3. Step 3: Cross multiply
    112,817,984.94x = 155,631,520.94 × 73,682,669.70
  4. Step 4: Simplify right side
    112,817,984.94x = 11,467,345,952,330,654
  5. Step 5: Solve for x
    x = 11,467,345,952,330,654/112,817,984.94
  6. Step 6: Final answer
    x = 101,644,662.05

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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.