Home / 196,826,079.20-295,239,118.80-142,406,520.80

Finding the Fourth Proportional to 196,826,079.20, 295,239,118.80 and 142,406,520.80

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Solution

The fourth proportional to 196,826,079.20, 295,239,118.80 and 142,406,520.80 is: 213,609,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,826,079.20 : 295,239,118.80 = 142,406,520.80 : x
  2. Step 2: Convert to fraction form
    196,826,079.20/295,239,118.80 = 142,406,520.80/x
  3. Step 3: Cross multiply
    196,826,079.20x = 295,239,118.80 × 142,406,520.80
  4. Step 4: Simplify right side
    196,826,079.20x = 42,043,975,712,365,880
  5. Step 5: Solve for x
    x = 42,043,975,712,365,880/196,826,079.20
  6. Step 6: Final answer
    x = 213,609,781.20

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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.