Home / 122,876,297.76-169,566,042.96-67,870,973.28

Finding the Fourth Proportional to 122,876,297.76, 169,566,042.96 and 67,870,973.28

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Solution

The fourth proportional to 122,876,297.76, 169,566,042.96 and 67,870,973.28 is: 93,660,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,876,297.76 : 169,566,042.96 = 67,870,973.28 : x
  2. Step 2: Convert to fraction form
    122,876,297.76/169,566,042.96 = 67,870,973.28/x
  3. Step 3: Cross multiply
    122,876,297.76x = 169,566,042.96 × 67,870,973.28
  4. Step 4: Simplify right side
    122,876,297.76x = 11,508,612,370,933,492
  5. Step 5: Solve for x
    x = 11,508,612,370,933,492/122,876,297.76
  6. Step 6: Final answer
    x = 93,660,149.12

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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.