Home / 101,970,235.29-140,718,944.95-55,560,489.21

Finding the Fourth Proportional to 101,970,235.29, 140,718,944.95 and 55,560,489.21

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Solution

The fourth proportional to 101,970,235.29, 140,718,944.95 and 55,560,489.21 is: 76,673,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970,235.29 : 140,718,944.95 = 55,560,489.21 : x
  2. Step 2: Convert to fraction form
    101,970,235.29/140,718,944.95 = 55,560,489.21/x
  3. Step 3: Cross multiply
    101,970,235.29x = 140,718,944.95 × 55,560,489.21
  4. Step 4: Simplify right side
    101,970,235.29x = 7,818,413,422,537,058
  5. Step 5: Solve for x
    x = 7,818,413,422,537,058/101,970,235.29
  6. Step 6: Final answer
    x = 76,673,486.14

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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.