Home / 122,223,153.42-168,671,142.99-67,220,453.34

Finding the Fourth Proportional to 122,223,153.42, 168,671,142.99 and 67,220,453.34

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Solution

The fourth proportional to 122,223,153.42, 168,671,142.99 and 67,220,453.34 is: 92,765,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,223,153.42 : 168,671,142.99 = 67,220,453.34 : x
  2. Step 2: Convert to fraction form
    122,223,153.42/168,671,142.99 = 67,220,453.34/x
  3. Step 3: Cross multiply
    122,223,153.42x = 168,671,142.99 × 67,220,453.34
  4. Step 4: Simplify right side
    122,223,153.42x = 11,338,150,697,163,764
  5. Step 5: Solve for x
    x = 11,338,150,697,163,764/122,223,153.42
  6. Step 6: Final answer
    x = 92,765,980.75

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1.5x scale

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.