Home / 266,246,530.60-399,180,839.10-120,749,794.60

Finding the Fourth Proportional to 266,246,530.60, 399,180,839.10 and 120,749,794.60

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Solution

The fourth proportional to 266,246,530.60, 399,180,839.10 and 120,749,794.60 is: 181,038,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,246,530.60 : 399,180,839.10 = 120,749,794.60 : x
  2. Step 2: Convert to fraction form
    266,246,530.60/399,180,839.10 = 120,749,794.60/x
  3. Step 3: Cross multiply
    266,246,530.60x = 399,180,839.10 × 120,749,794.60
  4. Step 4: Simplify right side
    266,246,530.60x = 48,201,004,329,580,648
  5. Step 5: Solve for x
    x = 48,201,004,329,580,648/266,246,530.60
  6. Step 6: Final answer
    x = 181,038,995.03

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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.