Home / 221,805,465.62-306,071,001.17-122,684,079.64

Finding the Fourth Proportional to 221,805,465.62, 306,071,001.17 and 122,684,079.64

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Solution

The fourth proportional to 221,805,465.62, 306,071,001.17 and 122,684,079.64 is: 169,292,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,805,465.62 : 306,071,001.17 = 122,684,079.64 : x
  2. Step 2: Convert to fraction form
    221,805,465.62/306,071,001.17 = 122,684,079.64/x
  3. Step 3: Cross multiply
    221,805,465.62x = 306,071,001.17 × 122,684,079.64
  4. Step 4: Simplify right side
    221,805,465.62x = 37,550,039,083,034,816
  5. Step 5: Solve for x
    x = 37,550,039,083,034,816/221,805,465.62
  6. Step 6: Final answer
    x = 169,292,668.14

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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.