Home / 123,158,582.13-169,053,521.09-108,907,696.47

Finding the Fourth Proportional to 123,158,582.13, 169,053,521.09 and 108,907,696.47

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Solution

The fourth proportional to 123,158,582.13, 169,053,521.09 and 108,907,696.47 is: 149,492,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,158,582.13 : 169,053,521.09 = 108,907,696.47 : x
  2. Step 2: Convert to fraction form
    123,158,582.13/169,053,521.09 = 108,907,696.47/x
  3. Step 3: Cross multiply
    123,158,582.13x = 169,053,521.09 × 108,907,696.47
  4. Step 4: Simplify right side
    123,158,582.13x = 18,411,229,562,054,464
  5. Step 5: Solve for x
    x = 18,411,229,562,054,464/123,158,582.13
  6. Step 6: Final answer
    x = 149,492,055.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.