Home / 85,469,181.48-117,949,666.32-52,447,674.96

Finding the Fourth Proportional to 85,469,181.48, 117,949,666.32 and 52,447,674.96

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Solution

The fourth proportional to 85,469,181.48, 117,949,666.32 and 52,447,674.96 is: 72,379,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,469,181.48 : 117,949,666.32 = 52,447,674.96 : x
  2. Step 2: Convert to fraction form
    85,469,181.48/117,949,666.32 = 52,447,674.96/x
  3. Step 3: Cross multiply
    85,469,181.48x = 117,949,666.32 × 52,447,674.96
  4. Step 4: Simplify right side
    85,469,181.48x = 6,186,185,760,791,819
  5. Step 5: Solve for x
    x = 6,186,185,760,791,819/85,469,181.48
  6. Step 6: Final answer
    x = 72,379,138.93

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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.