Home / 199,289,909.60-298,982,103.60-102,260,592.80

Finding the Fourth Proportional to 199,289,909.60, 298,982,103.60 and 102,260,592.80

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Solution

The fourth proportional to 199,289,909.60, 298,982,103.60 and 102,260,592.80 is: 153,415,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,289,909.60 : 298,982,103.60 = 102,260,592.80 : x
  2. Step 2: Convert to fraction form
    199,289,909.60/298,982,103.60 = 102,260,592.80/x
  3. Step 3: Cross multiply
    199,289,909.60x = 298,982,103.60 × 102,260,592.80
  4. Step 4: Simplify right side
    199,289,909.60x = 30,574,087,150,727,016
  5. Step 5: Solve for x
    x = 30,574,087,150,727,016/199,289,909.60
  6. Step 6: Final answer
    x = 153,415,128.80

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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.