Home / 123,008,718.15-169,752,336.26-67,257,736.16

Finding the Fourth Proportional to 123,008,718.15, 169,752,336.26 and 67,257,736.16

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Solution

The fourth proportional to 123,008,718.15, 169,752,336.26 and 67,257,736.16 is: 92,815,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008,718.15 : 169,752,336.26 = 67,257,736.16 : x
  2. Step 2: Convert to fraction form
    123,008,718.15/169,752,336.26 = 67,257,736.16/x
  3. Step 3: Cross multiply
    123,008,718.15x = 169,752,336.26 × 67,257,736.16
  4. Step 4: Simplify right side
    123,008,718.15x = 11,417,157,843,533,630
  5. Step 5: Solve for x
    x = 11,417,157,843,533,630/123,008,718.15
  6. Step 6: Final answer
    x = 92,815,842.77

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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.