Home / 122,797,981.32-169,460,336.64-67,043,399.88

Finding the Fourth Proportional to 122,797,981.32, 169,460,336.64 and 67,043,399.88

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Solution

The fourth proportional to 122,797,981.32, 169,460,336.64 and 67,043,399.88 is: 92,519,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,797,981.32 : 169,460,336.64 = 67,043,399.88 : x
  2. Step 2: Convert to fraction form
    122,797,981.32/169,460,336.64 = 67,043,399.88/x
  3. Step 3: Cross multiply
    122,797,981.32x = 169,460,336.64 × 67,043,399.88
  4. Step 4: Simplify right side
    122,797,981.32x = 11,361,197,113,154,936
  5. Step 5: Solve for x
    x = 11,361,197,113,154,936/122,797,981.32
  6. Step 6: Final answer
    x = 92,519,412.71

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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.