Home / 139,968,137.30-209,952,205.95-96,825,334.10

Finding the Fourth Proportional to 139,968,137.30, 209,952,205.95 and 96,825,334.10

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Solution

The fourth proportional to 139,968,137.30, 209,952,205.95 and 96,825,334.10 is: 145,238,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,137.30 : 209,952,205.95 = 96,825,334.10 : x
  2. Step 2: Convert to fraction form
    139,968,137.30/209,952,205.95 = 96,825,334.10/x
  3. Step 3: Cross multiply
    139,968,137.30x = 209,952,205.95 × 96,825,334.10
  4. Step 4: Simplify right side
    139,968,137.30x = 20,328,692,486,140,756
  5. Step 5: Solve for x
    x = 20,328,692,486,140,756/139,968,137.30
  6. Step 6: Final answer
    x = 145,238,001.15

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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.