Home / 113,613,373.04-170,420,059.84-87,743,408.15

Finding the Fourth Proportional to 113,613,373.04, 170,420,059.84 and 87,743,408.15

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Solution

The fourth proportional to 113,613,373.04, 170,420,059.84 and 87,743,408.15 is: 131,615,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,613,373.04 : 170,420,059.84 = 87,743,408.15 : x
  2. Step 2: Convert to fraction form
    113,613,373.04/170,420,059.84 = 87,743,408.15/x
  3. Step 3: Cross multiply
    113,613,373.04x = 170,420,059.84 × 87,743,408.15
  4. Step 4: Simplify right side
    113,613,373.04x = 14,953,236,867,488,546
  5. Step 5: Solve for x
    x = 14,953,236,867,488,546/113,613,373.04
  6. Step 6: Final answer
    x = 131,615,112.44

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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.