Home / 145,297,544.76-200,702,010.09-107,696,933.54

Finding the Fourth Proportional to 145,297,544.76, 200,702,010.09 and 107,696,933.54

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Solution

The fourth proportional to 145,297,544.76, 200,702,010.09 and 107,696,933.54 is: 148,763,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,297,544.76 : 200,702,010.09 = 107,696,933.54 : x
  2. Step 2: Convert to fraction form
    145,297,544.76/200,702,010.09 = 107,696,933.54/x
  3. Step 3: Cross multiply
    145,297,544.76x = 200,702,010.09 × 107,696,933.54
  4. Step 4: Simplify right side
    145,297,544.76x = 21,614,991,042,007,140
  5. Step 5: Solve for x
    x = 21,614,991,042,007,140/145,297,544.76
  6. Step 6: Final answer
    x = 148,763,635.87

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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.