Home / 122,642,095.92-169,245,314.87-69,718,806.38

Finding the Fourth Proportional to 122,642,095.92, 169,245,314.87 and 69,718,806.38

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Solution

The fourth proportional to 122,642,095.92, 169,245,314.87 and 69,718,806.38 is: 96,211,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,642,095.92 : 169,245,314.87 = 69,718,806.38 : x
  2. Step 2: Convert to fraction form
    122,642,095.92/169,245,314.87 = 69,718,806.38/x
  3. Step 3: Cross multiply
    122,642,095.92x = 169,245,314.87 × 69,718,806.38
  4. Step 4: Simplify right side
    122,642,095.92x = 11,799,581,336,948,844
  5. Step 5: Solve for x
    x = 11,799,581,336,948,844/122,642,095.92
  6. Step 6: Final answer
    x = 96,211,510.81

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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.