Home / 122,764,002.57-169,389,033.84-70,542,949.14

Finding the Fourth Proportional to 122,764,002.57, 169,389,033.84 and 70,542,949.14

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Solution

The fourth proportional to 122,764,002.57, 169,389,033.84 and 70,542,949.14 is: 97,334,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,764,002.57 : 169,389,033.84 = 70,542,949.14 : x
  2. Step 2: Convert to fraction form
    122,764,002.57/169,389,033.84 = 70,542,949.14/x
  3. Step 3: Cross multiply
    122,764,002.57x = 169,389,033.84 × 70,542,949.14
  4. Step 4: Simplify right side
    122,764,002.57x = 11,949,201,999,048,860
  5. Step 5: Solve for x
    x = 11,949,201,999,048,860/122,764,002.57
  6. Step 6: Final answer
    x = 97,334,737.78

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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.