Home / 129,747,289.48-178,097,504.47-114,734,010.76

Finding the Fourth Proportional to 129,747,289.48, 178,097,504.47 and 114,734,010.76

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Solution

The fourth proportional to 129,747,289.48, 178,097,504.47 and 114,734,010.76 is: 157,489,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,747,289.48 : 178,097,504.47 = 114,734,010.76 : x
  2. Step 2: Convert to fraction form
    129,747,289.48/178,097,504.47 = 114,734,010.76/x
  3. Step 3: Cross multiply
    129,747,289.48x = 178,097,504.47 × 114,734,010.76
  4. Step 4: Simplify right side
    129,747,289.48x = 20,433,840,994,190,128
  5. Step 5: Solve for x
    x = 20,433,840,994,190,128/129,747,289.48
  6. Step 6: Final answer
    x = 157,489,540.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.