Home / 199,707,029.20-299,560,543.80-163,427,323.60

Finding the Fourth Proportional to 199,707,029.20, 299,560,543.80 and 163,427,323.60

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Solution

The fourth proportional to 199,707,029.20, 299,560,543.80 and 163,427,323.60 is: 245,140,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,707,029.20 : 299,560,543.80 = 163,427,323.60 : x
  2. Step 2: Convert to fraction form
    199,707,029.20/299,560,543.80 = 163,427,323.60/x
  3. Step 3: Cross multiply
    199,707,029.20x = 299,560,543.80 × 163,427,323.60
  4. Step 4: Simplify right side
    199,707,029.20x = 48,956,377,929,394,576
  5. Step 5: Solve for x
    x = 48,956,377,929,394,576/199,707,029.20
  6. Step 6: Final answer
    x = 245,140,985.40

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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.