Home / 258,043,523.60-387,065,285.40-238,336,029.20

Finding the Fourth Proportional to 258,043,523.60, 387,065,285.40 and 238,336,029.20

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Solution

The fourth proportional to 258,043,523.60, 387,065,285.40 and 238,336,029.20 is: 357,504,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,043,523.60 : 387,065,285.40 = 238,336,029.20 : x
  2. Step 2: Convert to fraction form
    258,043,523.60/387,065,285.40 = 238,336,029.20/x
  3. Step 3: Cross multiply
    258,043,523.60x = 387,065,285.40 × 238,336,029.20
  4. Step 4: Simplify right side
    258,043,523.60x = 92,251,603,163,400,720
  5. Step 5: Solve for x
    x = 92,251,603,163,400,720/258,043,523.60
  6. Step 6: Final answer
    x = 357,504,043.80

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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.