Home / 115,247,531.05-172,871,591.82-47,090,222.80

Finding the Fourth Proportional to 115,247,531.05, 172,871,591.82 and 47,090,222.80

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Solution

The fourth proportional to 115,247,531.05, 172,871,591.82 and 47,090,222.80 is: 70,635,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247,531.05 : 172,871,591.82 = 47,090,222.80 : x
  2. Step 2: Convert to fraction form
    115,247,531.05/172,871,591.82 = 47,090,222.80/x
  3. Step 3: Cross multiply
    115,247,531.05x = 172,871,591.82 × 47,090,222.80
  4. Step 4: Simplify right side
    115,247,531.05x = 8,140,561,773,985,690
  5. Step 5: Solve for x
    x = 8,140,561,773,985,690/115,247,531.05
  6. Step 6: Final answer
    x = 70,635,454.83

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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.