Home / 122,319,928.82-168,801,452.88-67,315,785.32

Finding the Fourth Proportional to 122,319,928.82, 168,801,452.88 and 67,315,785.32

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Solution

The fourth proportional to 122,319,928.82, 168,801,452.88 and 67,315,785.32 is: 92,895,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,319,928.82 : 168,801,452.88 = 67,315,785.32 : x
  2. Step 2: Convert to fraction form
    122,319,928.82/168,801,452.88 = 67,315,785.32/x
  3. Step 3: Cross multiply
    122,319,928.82x = 168,801,452.88 × 67,315,785.32
  4. Step 4: Simplify right side
    122,319,928.82x = 11,363,002,363,774,174
  5. Step 5: Solve for x
    x = 11,363,002,363,774,174/122,319,928.82
  6. Step 6: Final answer
    x = 92,895,756.84

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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.