Home / 258,734,449.40-388,101,674.10-185,797,124.60

Finding the Fourth Proportional to 258,734,449.40, 388,101,674.10 and 185,797,124.60

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Solution

The fourth proportional to 258,734,449.40, 388,101,674.10 and 185,797,124.60 is: 278,695,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,734,449.40 : 388,101,674.10 = 185,797,124.60 : x
  2. Step 2: Convert to fraction form
    258,734,449.40/388,101,674.10 = 185,797,124.60/x
  3. Step 3: Cross multiply
    258,734,449.40x = 388,101,674.10 × 185,797,124.60
  4. Step 4: Simplify right side
    258,734,449.40x = 72,108,175,100,226,288
  5. Step 5: Solve for x
    x = 72,108,175,100,226,288/258,734,449.40
  6. Step 6: Final answer
    x = 278,695,686.90

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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.