Home / 199,289,991.60-298,934,987.40-158,979,207.60

Finding the Fourth Proportional to 199,289,991.60, 298,934,987.40 and 158,979,207.60

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Solution

The fourth proportional to 199,289,991.60, 298,934,987.40 and 158,979,207.60 is: 238,468,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,289,991.60 : 298,934,987.40 = 158,979,207.60 : x
  2. Step 2: Convert to fraction form
    199,289,991.60/298,934,987.40 = 158,979,207.60/x
  3. Step 3: Cross multiply
    199,289,991.60x = 298,934,987.40 × 158,979,207.60
  4. Step 4: Simplify right side
    199,289,991.60x = 47,524,447,420,767,976
  5. Step 5: Solve for x
    x = 47,524,447,420,767,976/199,289,991.60
  6. Step 6: Final answer
    x = 238,468,811.40

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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.