Home / 117,914,918.85-162,720,408.15-64,270,042.34

Finding the Fourth Proportional to 117,914,918.85, 162,720,408.15 and 64,270,042.34

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Solution

The fourth proportional to 117,914,918.85, 162,720,408.15 and 64,270,042.34 is: 88,691,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,914,918.85 : 162,720,408.15 = 64,270,042.34 : x
  2. Step 2: Convert to fraction form
    117,914,918.85/162,720,408.15 = 64,270,042.34/x
  3. Step 3: Cross multiply
    117,914,918.85x = 162,720,408.15 × 64,270,042.34
  4. Step 4: Simplify right side
    117,914,918.85x = 10,458,047,520,568,980
  5. Step 5: Solve for x
    x = 10,458,047,520,568,980/117,914,918.85
  6. Step 6: Final answer
    x = 88,691,470.28

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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.