Home / 123,158,580.13-169,053,518.35-108,907,694.47

Finding the Fourth Proportional to 123,158,580.13, 169,053,518.35 and 108,907,694.47

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Solution

The fourth proportional to 123,158,580.13, 169,053,518.35 and 108,907,694.47 is: 149,492,052.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,158,580.13 : 169,053,518.35 = 108,907,694.47 : x
  2. Step 2: Convert to fraction form
    123,158,580.13/169,053,518.35 = 108,907,694.47/x
  3. Step 3: Cross multiply
    123,158,580.13x = 169,053,518.35 × 108,907,694.47
  4. Step 4: Simplify right side
    123,158,580.13x = 18,411,228,924,695,072
  5. Step 5: Solve for x
    x = 18,411,228,924,695,072/123,158,580.13
  6. Step 6: Final answer
    x = 149,492,052.49

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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.