Home / 120,524,395.14-180,809,863.47-51,436,190.34

Finding the Fourth Proportional to 120,524,395.14, 180,809,863.47 and 51,436,190.34

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Solution

The fourth proportional to 120,524,395.14, 180,809,863.47 and 51,436,190.34 is: 77,164,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,524,395.14 : 180,809,863.47 = 51,436,190.34 : x
  2. Step 2: Convert to fraction form
    120,524,395.14/180,809,863.47 = 51,436,190.34/x
  3. Step 3: Cross multiply
    120,524,395.14x = 180,809,863.47 × 51,436,190.34
  4. Step 4: Simplify right side
    120,524,395.14x = 9,300,170,552,792,334
  5. Step 5: Solve for x
    x = 9,300,170,552,792,334/120,524,395.14
  6. Step 6: Final answer
    x = 77,164,216.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.