Home / 301,531,207.20-452,296,810.80-198,219,076.80

Finding the Fourth Proportional to 301,531,207.20, 452,296,810.80 and 198,219,076.80

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Solution

The fourth proportional to 301,531,207.20, 452,296,810.80 and 198,219,076.80 is: 297,328,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,531,207.20 : 452,296,810.80 = 198,219,076.80 : x
  2. Step 2: Convert to fraction form
    301,531,207.20/452,296,810.80 = 198,219,076.80/x
  3. Step 3: Cross multiply
    301,531,207.20x = 452,296,810.80 × 198,219,076.80
  4. Step 4: Simplify right side
    301,531,207.20x = 89,653,856,276,360,272
  5. Step 5: Solve for x
    x = 89,653,856,276,360,272/301,531,207.20
  6. Step 6: Final answer
    x = 297,328,615.20

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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.