Home / 258,056,498.40-387,084,747.60-114,729,266.40

Finding the Fourth Proportional to 258,056,498.40, 387,084,747.60 and 114,729,266.40

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Solution

The fourth proportional to 258,056,498.40, 387,084,747.60 and 114,729,266.40 is: 172,093,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,056,498.40 : 387,084,747.60 = 114,729,266.40 : x
  2. Step 2: Convert to fraction form
    258,056,498.40/387,084,747.60 = 114,729,266.40/x
  3. Step 3: Cross multiply
    258,056,498.40x = 387,084,747.60 × 114,729,266.40
  4. Step 4: Simplify right side
    258,056,498.40x = 44,409,949,126,777,168
  5. Step 5: Solve for x
    x = 44,409,949,126,777,168/258,056,498.40
  6. Step 6: Final answer
    x = 172,093,899.60

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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.