Home / 258,170,592.49-356,265,023.78-140,693,400.38

Finding the Fourth Proportional to 258,170,592.49, 356,265,023.78 and 140,693,400.38

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Solution

The fourth proportional to 258,170,592.49, 356,265,023.78 and 140,693,400.38 is: 194,151,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,170,592.49 : 356,265,023.78 = 140,693,400.38 : x
  2. Step 2: Convert to fraction form
    258,170,592.49/356,265,023.78 = 140,693,400.38/x
  3. Step 3: Cross multiply
    258,170,592.49x = 356,265,023.78 × 140,693,400.38
  4. Step 4: Simplify right side
    258,170,592.49x = 50,124,137,633,312,160
  5. Step 5: Solve for x
    x = 50,124,137,633,312,160/258,170,592.49
  6. Step 6: Final answer
    x = 194,151,228.26

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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.