Home / 139,968,132.30-209,952,198.45-117,293,316.30

Finding the Fourth Proportional to 139,968,132.30, 209,952,198.45 and 117,293,316.30

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Solution

The fourth proportional to 139,968,132.30, 209,952,198.45 and 117,293,316.30 is: 175,939,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,132.30 : 209,952,198.45 = 117,293,316.30 : x
  2. Step 2: Convert to fraction form
    139,968,132.30/209,952,198.45 = 117,293,316.30/x
  3. Step 3: Cross multiply
    139,968,132.30x = 209,952,198.45 × 117,293,316.30
  4. Step 4: Simplify right side
    139,968,132.30x = 24,625,989,620,676,216
  5. Step 5: Solve for x
    x = 24,625,989,620,676,216/139,968,132.30
  6. Step 6: Final answer
    x = 175,939,974.45

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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.