Home / 139,968,015.30-209,952,022.95-104,136,207.30

Finding the Fourth Proportional to 139,968,015.30, 209,952,022.95 and 104,136,207.30

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Solution

The fourth proportional to 139,968,015.30, 209,952,022.95 and 104,136,207.30 is: 156,204,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,015.30 : 209,952,022.95 = 104,136,207.30 : x
  2. Step 2: Convert to fraction form
    139,968,015.30/209,952,022.95 = 104,136,207.30/x
  3. Step 3: Cross multiply
    139,968,015.30x = 209,952,022.95 × 104,136,207.30
  4. Step 4: Simplify right side
    139,968,015.30x = 21,863,607,384,975,556
  5. Step 5: Solve for x
    x = 21,863,607,384,975,556/139,968,015.30
  6. Step 6: Final answer
    x = 156,204,310.95

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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.