Home / 133,798,467.60-200,697,701.40-82,780,131.60

Finding the Fourth Proportional to 133,798,467.60, 200,697,701.40 and 82,780,131.60

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Solution

The fourth proportional to 133,798,467.60, 200,697,701.40 and 82,780,131.60 is: 124,170,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,798,467.60 : 200,697,701.40 = 82,780,131.60 : x
  2. Step 2: Convert to fraction form
    133,798,467.60/200,697,701.40 = 82,780,131.60/x
  3. Step 3: Cross multiply
    133,798,467.60x = 200,697,701.40 × 82,780,131.60
  4. Step 4: Simplify right side
    133,798,467.60x = 16,613,782,133,709,504
  5. Step 5: Solve for x
    x = 16,613,782,133,709,504/133,798,467.60
  6. Step 6: Final answer
    x = 124,170,197.40

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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.