Home / 169,191,569.10-253,792,871.73-80,540,906.70

Finding the Fourth Proportional to 169,191,569.10, 253,792,871.73 and 80,540,906.70

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Solution

The fourth proportional to 169,191,569.10, 253,792,871.73 and 80,540,906.70 is: 120,813,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,191,569.10 : 253,792,871.73 = 80,540,906.70 : x
  2. Step 2: Convert to fraction form
    169,191,569.10/253,792,871.73 = 80,540,906.70/x
  3. Step 3: Cross multiply
    169,191,569.10x = 253,792,871.73 × 80,540,906.70
  4. Step 4: Simplify right side
    169,191,569.10x = 20,440,708,003,130,996
  5. Step 5: Solve for x
    x = 20,440,708,003,130,996/169,191,569.10
  6. Step 6: Final answer
    x = 120,813,986.84

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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.