Home / 147,147,710.14-203,073,012.27-81,068,194.73

Finding the Fourth Proportional to 147,147,710.14, 203,073,012.27 and 81,068,194.73

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Solution

The fourth proportional to 147,147,710.14, 203,073,012.27 and 81,068,194.73 is: 111,879,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,147,710.14 : 203,073,012.27 = 81,068,194.73 : x
  2. Step 2: Convert to fraction form
    147,147,710.14/203,073,012.27 = 81,068,194.73/x
  3. Step 3: Cross multiply
    147,147,710.14x = 203,073,012.27 × 81,068,194.73
  4. Step 4: Simplify right side
    147,147,710.14x = 16,462,762,501,691,330
  5. Step 5: Solve for x
    x = 16,462,762,501,691,330/147,147,710.14
  6. Step 6: Final answer
    x = 111,879,162.01

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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.