Home / 193,385,380.80-290,078,071.20-191,369,841.60

Finding the Fourth Proportional to 193,385,380.80, 290,078,071.20 and 191,369,841.60

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Solution

The fourth proportional to 193,385,380.80, 290,078,071.20 and 191,369,841.60 is: 287,054,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,385,380.80 : 290,078,071.20 = 191,369,841.60 : x
  2. Step 2: Convert to fraction form
    193,385,380.80/290,078,071.20 = 191,369,841.60/x
  3. Step 3: Cross multiply
    193,385,380.80x = 290,078,071.20 × 191,369,841.60
  4. Step 4: Simplify right side
    193,385,380.80x = 55,512,194,537,177,520
  5. Step 5: Solve for x
    x = 55,512,194,537,177,520/193,385,380.80
  6. Step 6: Final answer
    x = 287,054,762.40

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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.