Home / 255,829,035.82-353,045,125.92-138,354,363.58

Finding the Fourth Proportional to 255,829,035.82, 353,045,125.92 and 138,354,363.58

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Solution

The fourth proportional to 255,829,035.82, 353,045,125.92 and 138,354,363.58 is: 190,929,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,829,035.82 : 353,045,125.92 = 138,354,363.58 : x
  2. Step 2: Convert to fraction form
    255,829,035.82/353,045,125.92 = 138,354,363.58/x
  3. Step 3: Cross multiply
    255,829,035.82x = 353,045,125.92 × 138,354,363.58
  4. Step 4: Simplify right side
    255,829,035.82x = 48,845,333,711,682,568
  5. Step 5: Solve for x
    x = 48,845,333,711,682,568/255,829,035.82
  6. Step 6: Final answer
    x = 190,929,593.10

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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.