Home / 258,634,211.20-388,002,423.34-94,873,488.28

Finding the Fourth Proportional to 258,634,211.20, 388,002,423.34 and 94,873,488.28

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Solution

The fourth proportional to 258,634,211.20, 388,002,423.34 and 94,873,488.28 is: 142,328,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,634,211.20 : 388,002,423.34 = 94,873,488.28 : x
  2. Step 2: Convert to fraction form
    258,634,211.20/388,002,423.34 = 94,873,488.28/x
  3. Step 3: Cross multiply
    258,634,211.20x = 388,002,423.34 × 94,873,488.28
  4. Step 4: Simplify right side
    258,634,211.20x = 36,811,143,361,419,080
  5. Step 5: Solve for x
    x = 36,811,143,361,419,080/258,634,211.20
  6. Step 6: Final answer
    x = 142,328,979.57

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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.