Home / 209,016,753.27-288,431,824.10-116,190,675.51

Finding the Fourth Proportional to 209,016,753.27, 288,431,824.10 and 116,190,675.51

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Solution

The fourth proportional to 209,016,753.27, 288,431,824.10 and 116,190,675.51 is: 160,336,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,016,753.27 : 288,431,824.10 = 116,190,675.51 : x
  2. Step 2: Convert to fraction form
    209,016,753.27/288,431,824.10 = 116,190,675.51/x
  3. Step 3: Cross multiply
    209,016,753.27x = 288,431,824.10 × 116,190,675.51
  4. Step 4: Simplify right side
    209,016,753.27x = 33,513,088,480,179,548
  5. Step 5: Solve for x
    x = 33,513,088,480,179,548/209,016,753.27
  6. Step 6: Final answer
    x = 160,336,853.18

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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.