Home / 122,922,008.16-169,632,023.04-67,917,472.80

Finding the Fourth Proportional to 122,922,008.16, 169,632,023.04 and 67,917,472.80

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Solution

The fourth proportional to 122,922,008.16, 169,632,023.04 and 67,917,472.80 is: 93,725,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,922,008.16 : 169,632,023.04 = 67,917,472.80 : x
  2. Step 2: Convert to fraction form
    122,922,008.16/169,632,023.04 = 67,917,472.80/x
  3. Step 3: Cross multiply
    122,922,008.16x = 169,632,023.04 × 67,917,472.80
  4. Step 4: Simplify right side
    122,922,008.16x = 11,520,978,310,828,172
  5. Step 5: Solve for x
    x = 11,520,978,310,828,172/122,922,008.16
  6. Step 6: Final answer
    x = 93,725,920.06

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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.