Home / 85,216,850.96-127,622,373.80-54,416,025.36

Finding the Fourth Proportional to 85,216,850.96, 127,622,373.80 and 54,416,025.36

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Solution

The fourth proportional to 85,216,850.96, 127,622,373.80 and 54,416,025.36 is: 81,494,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216,850.96 : 127,622,373.80 = 54,416,025.36 : x
  2. Step 2: Convert to fraction form
    85,216,850.96/127,622,373.80 = 54,416,025.36/x
  3. Step 3: Cross multiply
    85,216,850.96x = 127,622,373.80 × 54,416,025.36
  4. Step 4: Simplify right side
    85,216,850.96x = 6,944,702,329,204,199
  5. Step 5: Solve for x
    x = 6,944,702,329,204,199/85,216,850.96
  6. Step 6: Final answer
    x = 81,494,472.64

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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.