Home / 209,061,004.74-288,489,186.27-114,981,677.16

Finding the Fourth Proportional to 209,061,004.74, 288,489,186.27 and 114,981,677.16

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Solution

The fourth proportional to 209,061,004.74, 288,489,186.27 and 114,981,677.16 is: 158,666,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,061,004.74 : 288,489,186.27 = 114,981,677.16 : x
  2. Step 2: Convert to fraction form
    209,061,004.74/288,489,186.27 = 114,981,677.16/x
  3. Step 3: Cross multiply
    209,061,004.74x = 288,489,186.27 × 114,981,677.16
  4. Step 4: Simplify right side
    209,061,004.74x = 33,170,970,479,848,240
  5. Step 5: Solve for x
    x = 33,170,970,479,848,240/209,061,004.74
  6. Step 6: Final answer
    x = 158,666,464.47

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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.