Home / 113,451,177.40-156,562,949.08-65,775,696.96

Finding the Fourth Proportional to 113,451,177.40, 156,562,949.08 and 65,775,696.96

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Solution

The fourth proportional to 113,451,177.40, 156,562,949.08 and 65,775,696.96 is: 90,770,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,451,177.40 : 156,562,949.08 = 65,775,696.96 : x
  2. Step 2: Convert to fraction form
    113,451,177.40/156,562,949.08 = 65,775,696.96/x
  3. Step 3: Cross multiply
    113,451,177.40x = 156,562,949.08 × 65,775,696.96
  4. Step 4: Simplify right side
    113,451,177.40x = 10,298,037,093,849,992
  5. Step 5: Solve for x
    x = 10,298,037,093,849,992/113,451,177.40
  6. Step 6: Final answer
    x = 90,770,649.81

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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.