Home / 115,247,530.80-172,871,591.44-47,090,222.54

Finding the Fourth Proportional to 115,247,530.80, 172,871,591.44 and 47,090,222.54

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Solution

The fourth proportional to 115,247,530.80, 172,871,591.44 and 47,090,222.54 is: 70,635,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247,530.80 : 172,871,591.44 = 47,090,222.54 : x
  2. Step 2: Convert to fraction form
    115,247,530.80/172,871,591.44 = 47,090,222.54/x
  3. Step 3: Cross multiply
    115,247,530.80x = 172,871,591.44 × 47,090,222.54
  4. Step 4: Simplify right side
    115,247,530.80x = 8,140,561,711,753,559
  5. Step 5: Solve for x
    x = 8,140,561,711,753,559/115,247,530.80
  6. Step 6: Final answer
    x = 70,635,454.45

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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.