Home / 201,749,323.05-278,405,463.69-112,436,514.79

Finding the Fourth Proportional to 201,749,323.05, 278,405,463.69 and 112,436,514.79

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Solution

The fourth proportional to 201,749,323.05, 278,405,463.69 and 112,436,514.79 is: 155,157,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,749,323.05 : 278,405,463.69 = 112,436,514.79 : x
  2. Step 2: Convert to fraction form
    201,749,323.05/278,405,463.69 = 112,436,514.79/x
  3. Step 3: Cross multiply
    201,749,323.05x = 278,405,463.69 × 112,436,514.79
  4. Step 4: Simplify right side
    201,749,323.05x = 31,302,940,035,101,476
  5. Step 5: Solve for x
    x = 31,302,940,035,101,476/201,749,323.05
  6. Step 6: Final answer
    x = 155,157,596.38

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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.