Home / 117,743,835.12-162,490,103.64-65,535,771.12

Finding the Fourth Proportional to 117,743,835.12, 162,490,103.64 and 65,535,771.12

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Solution

The fourth proportional to 117,743,835.12, 162,490,103.64 and 65,535,771.12 is: 90,441,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,743,835.12 : 162,490,103.64 = 65,535,771.12 : x
  2. Step 2: Convert to fraction form
    117,743,835.12/162,490,103.64 = 65,535,771.12/x
  3. Step 3: Cross multiply
    117,743,835.12x = 162,490,103.64 × 65,535,771.12
  4. Step 4: Simplify right side
    117,743,835.12x = 10,648,914,241,416,118
  5. Step 5: Solve for x
    x = 10,648,914,241,416,118/117,743,835.12
  6. Step 6: Final answer
    x = 90,441,374.11

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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.