Home / 172,088,409.78-258,132,292.05-53,922,217.35

Finding the Fourth Proportional to 172,088,409.78, 258,132,292.05 and 53,922,217.35

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Solution

The fourth proportional to 172,088,409.78, 258,132,292.05 and 53,922,217.35 is: 80,883,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,088,409.78 : 258,132,292.05 = 53,922,217.35 : x
  2. Step 2: Convert to fraction form
    172,088,409.78/258,132,292.05 = 53,922,217.35/x
  3. Step 3: Cross multiply
    172,088,409.78x = 258,132,292.05 × 53,922,217.35
  4. Step 4: Simplify right side
    172,088,409.78x = 13,919,065,556,973,778
  5. Step 5: Solve for x
    x = 13,919,065,556,973,778/172,088,409.78
  6. Step 6: Final answer
    x = 80,883,224.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.