Home / 101,970,235.16-140,718,944.75-55,560,489.06

Finding the Fourth Proportional to 101,970,235.16, 140,718,944.75 and 55,560,489.06

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Solution

The fourth proportional to 101,970,235.16, 140,718,944.75 and 55,560,489.06 is: 76,673,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970,235.16 : 140,718,944.75 = 55,560,489.06 : x
  2. Step 2: Convert to fraction form
    101,970,235.16/140,718,944.75 = 55,560,489.06/x
  3. Step 3: Cross multiply
    101,970,235.16x = 140,718,944.75 × 55,560,489.06
  4. Step 4: Simplify right side
    101,970,235.16x = 7,818,413,390,317,120
  5. Step 5: Solve for x
    x = 7,818,413,390,317,120/101,970,235.16
  6. Step 6: Final answer
    x = 76,673,485.93

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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.