Home / 294,328,051.20-441,492,076.80-140,895,129.60

Finding the Fourth Proportional to 294,328,051.20, 441,492,076.80 and 140,895,129.60

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Solution

The fourth proportional to 294,328,051.20, 441,492,076.80 and 140,895,129.60 is: 211,342,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,328,051.20 : 441,492,076.80 = 140,895,129.60 : x
  2. Step 2: Convert to fraction form
    294,328,051.20/441,492,076.80 = 140,895,129.60/x
  3. Step 3: Cross multiply
    294,328,051.20x = 441,492,076.80 × 140,895,129.60
  4. Step 4: Simplify right side
    294,328,051.20x = 62,204,083,378,109,152
  5. Step 5: Solve for x
    x = 62,204,083,378,109,152/294,328,051.20
  6. Step 6: Final answer
    x = 211,342,694.40

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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.