Home / 199,330,002.40-298,995,003.60-130,455,248.80

Finding the Fourth Proportional to 199,330,002.40, 298,995,003.60 and 130,455,248.80

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Solution

The fourth proportional to 199,330,002.40, 298,995,003.60 and 130,455,248.80 is: 195,682,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,330,002.40 : 298,995,003.60 = 130,455,248.80 : x
  2. Step 2: Convert to fraction form
    199,330,002.40/298,995,003.60 = 130,455,248.80/x
  3. Step 3: Cross multiply
    199,330,002.40x = 298,995,003.60 × 130,455,248.80
  4. Step 4: Simplify right side
    199,330,002.40x = 39,005,467,584,594,896
  5. Step 5: Solve for x
    x = 39,005,467,584,594,896/199,330,002.40
  6. Step 6: Final answer
    x = 195,682,873.20

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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.