Home / 122,760,214.80-169,397,035.32-67,752,528.40

Finding the Fourth Proportional to 122,760,214.80, 169,397,035.32 and 67,752,528.40

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Solution

The fourth proportional to 122,760,214.80, 169,397,035.32 and 67,752,528.40 is: 93,491,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,760,214.80 : 169,397,035.32 = 67,752,528.40 : x
  2. Step 2: Convert to fraction form
    122,760,214.80/169,397,035.32 = 67,752,528.40/x
  3. Step 3: Cross multiply
    122,760,214.80x = 169,397,035.32 × 67,752,528.40
  4. Step 4: Simplify right side
    122,760,214.80x = 11,477,077,446,394,104
  5. Step 5: Solve for x
    x = 11,477,077,446,394,104/122,760,214.80
  6. Step 6: Final answer
    x = 93,491,832.55

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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.