Home / 199,699,246.40-299,548,869.60-163,419,540.80

Finding the Fourth Proportional to 199,699,246.40, 299,548,869.60 and 163,419,540.80

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Solution

The fourth proportional to 199,699,246.40, 299,548,869.60 and 163,419,540.80 is: 245,129,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,699,246.40 : 299,548,869.60 = 163,419,540.80 : x
  2. Step 2: Convert to fraction form
    199,699,246.40/299,548,869.60 = 163,419,540.80/x
  3. Step 3: Cross multiply
    199,699,246.40x = 299,548,869.60 × 163,419,540.80
  4. Step 4: Simplify right side
    199,699,246.40x = 48,952,138,717,191,088
  5. Step 5: Solve for x
    x = 48,952,138,717,191,088/199,699,246.40
  6. Step 6: Final answer
    x = 245,129,311.20

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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.