Home / 258,177,649.16-356,297,788.40-145,182,705.43

Finding the Fourth Proportional to 258,177,649.16, 356,297,788.40 and 145,182,705.43

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Solution

The fourth proportional to 258,177,649.16, 356,297,788.40 and 145,182,705.43 is: 200,359,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,177,649.16 : 356,297,788.40 = 145,182,705.43 : x
  2. Step 2: Convert to fraction form
    258,177,649.16/356,297,788.40 = 145,182,705.43/x
  3. Step 3: Cross multiply
    258,177,649.16x = 356,297,788.40 × 145,182,705.43
  4. Step 4: Simplify right side
    258,177,649.16x = 51,728,276,858,911,176
  5. Step 5: Solve for x
    x = 51,728,276,858,911,176/258,177,649.16
  6. Step 6: Final answer
    x = 200,359,237.24

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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.