Home / 196,830,003.60-295,245,005.40-139,387,136.40

Finding the Fourth Proportional to 196,830,003.60, 295,245,005.40 and 139,387,136.40

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Solution

The fourth proportional to 196,830,003.60, 295,245,005.40 and 139,387,136.40 is: 209,080,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830,003.60 : 295,245,005.40 = 139,387,136.40 : x
  2. Step 2: Convert to fraction form
    196,830,003.60/295,245,005.40 = 139,387,136.40/x
  3. Step 3: Cross multiply
    196,830,003.60x = 295,245,005.40 × 139,387,136.40
  4. Step 4: Simplify right side
    196,830,003.60x = 41,153,355,839,108,536
  5. Step 5: Solve for x
    x = 41,153,355,839,108,536/196,830,003.60
  6. Step 6: Final answer
    x = 209,080,704.60

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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.