Home / 71,858,160.67-99,164,165.19-40,918,331.47

Finding the Fourth Proportional to 71,858,160.67, 99,164,165.19 and 40,918,331.47

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Solution

The fourth proportional to 71,858,160.67, 99,164,165.19 and 40,918,331.47 is: 56,467,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,858,160.67 : 99,164,165.19 = 40,918,331.47 : x
  2. Step 2: Convert to fraction form
    71,858,160.67/99,164,165.19 = 40,918,331.47/x
  3. Step 3: Cross multiply
    71,858,160.67x = 99,164,165.19 × 40,918,331.47
  4. Step 4: Simplify right side
    71,858,160.67x = 4,057,632,181,190,255.50
  5. Step 5: Solve for x
    x = 4,057,632,181,190,255.50/71,858,160.67
  6. Step 6: Final answer
    x = 56,467,242.46

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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.