Home / 147,738,814.18-203,876,007.38-80,754,766.50

Finding the Fourth Proportional to 147,738,814.18, 203,876,007.38 and 80,754,766.50

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Solution

The fourth proportional to 147,738,814.18, 203,876,007.38 and 80,754,766.50 is: 111,439,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,738,814.18 : 203,876,007.38 = 80,754,766.50 : x
  2. Step 2: Convert to fraction form
    147,738,814.18/203,876,007.38 = 80,754,766.50/x
  3. Step 3: Cross multiply
    147,738,814.18x = 203,876,007.38 × 80,754,766.50
  4. Step 4: Simplify right side
    147,738,814.18x = 16,463,959,370,924,176
  5. Step 5: Solve for x
    x = 16,463,959,370,924,176/147,738,814.18
  6. Step 6: Final answer
    x = 111,439,633.94

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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.