Home / 258,043,525.60-387,065,288.40-238,336,031.20

Finding the Fourth Proportional to 258,043,525.60, 387,065,288.40 and 238,336,031.20

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Solution

The fourth proportional to 258,043,525.60, 387,065,288.40 and 238,336,031.20 is: 357,504,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,043,525.60 : 387,065,288.40 = 238,336,031.20 : x
  2. Step 2: Convert to fraction form
    258,043,525.60/387,065,288.40 = 238,336,031.20/x
  3. Step 3: Cross multiply
    258,043,525.60x = 387,065,288.40 × 238,336,031.20
  4. Step 4: Simplify right side
    258,043,525.60x = 92,251,604,652,539,392
  5. Step 5: Solve for x
    x = 92,251,604,652,539,392/258,043,525.60
  6. Step 6: Final answer
    x = 357,504,046.80

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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.