Home / 235,845,740.80-353,768,611.20-72,083,180.80

Finding the Fourth Proportional to 235,845,740.80, 353,768,611.20 and 72,083,180.80

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Solution

The fourth proportional to 235,845,740.80, 353,768,611.20 and 72,083,180.80 is: 108,124,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,845,740.80 : 353,768,611.20 = 72,083,180.80 : x
  2. Step 2: Convert to fraction form
    235,845,740.80/353,768,611.20 = 72,083,180.80/x
  3. Step 3: Cross multiply
    235,845,740.80x = 353,768,611.20 × 72,083,180.80
  4. Step 4: Simplify right side
    235,845,740.80x = 25,500,766,762,494,504
  5. Step 5: Solve for x
    x = 25,500,766,762,494,504/235,845,740.80
  6. Step 6: Final answer
    x = 108,124,771.20

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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.