Home / 122,976,457.60-169,704,551.68-67,219,375.36

Finding the Fourth Proportional to 122,976,457.60, 169,704,551.68 and 67,219,375.36

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Solution

The fourth proportional to 122,976,457.60, 169,704,551.68 and 67,219,375.36 is: 92,761,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,976,457.60 : 169,704,551.68 = 67,219,375.36 : x
  2. Step 2: Convert to fraction form
    122,976,457.60/169,704,551.68 = 67,219,375.36/x
  3. Step 3: Cross multiply
    122,976,457.60x = 169,704,551.68 × 67,219,375.36
  4. Step 4: Simplify right side
    122,976,457.60x = 11,407,433,959,678,438
  5. Step 5: Solve for x
    x = 11,407,433,959,678,438/122,976,457.60
  6. Step 6: Final answer
    x = 92,761,120.16

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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.