Home / 102,807,912.08-141,874,092.12-55,764,868.56

Finding the Fourth Proportional to 102,807,912.08, 141,874,092.12 and 55,764,868.56

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Solution

The fourth proportional to 102,807,912.08, 141,874,092.12 and 55,764,868.56 is: 76,955,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,807,912.08 : 141,874,092.12 = 55,764,868.56 : x
  2. Step 2: Convert to fraction form
    102,807,912.08/141,874,092.12 = 55,764,868.56/x
  3. Step 3: Cross multiply
    102,807,912.08x = 141,874,092.12 × 55,764,868.56
  4. Step 4: Simplify right side
    102,807,912.08x = 7,911,590,099,141,132
  5. Step 5: Solve for x
    x = 7,911,590,099,141,132/102,807,912.08
  6. Step 6: Final answer
    x = 76,955,070.28

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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.