Home / 196,992,840.80-295,489,261.20-132,495,586.40

Finding the Fourth Proportional to 196,992,840.80, 295,489,261.20 and 132,495,586.40

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Solution

The fourth proportional to 196,992,840.80, 295,489,261.20 and 132,495,586.40 is: 198,743,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,840.80 : 295,489,261.20 = 132,495,586.40 : x
  2. Step 2: Convert to fraction form
    196,992,840.80/295,489,261.20 = 132,495,586.40/x
  3. Step 3: Cross multiply
    196,992,840.80x = 295,489,261.20 × 132,495,586.40
  4. Step 4: Simplify right side
    196,992,840.80x = 39,151,022,937,596,768
  5. Step 5: Solve for x
    x = 39,151,022,937,596,768/196,992,840.80
  6. Step 6: Final answer
    x = 198,743,379.60

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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.