Home / 139,968,129.83-209,952,194.74-110,742,811.43

Finding the Fourth Proportional to 139,968,129.83, 209,952,194.74 and 110,742,811.43

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Solution

The fourth proportional to 139,968,129.83, 209,952,194.74 and 110,742,811.43 is: 166,114,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,129.83 : 209,952,194.74 = 110,742,811.43 : x
  2. Step 2: Convert to fraction form
    139,968,129.83/209,952,194.74 = 110,742,811.43/x
  3. Step 3: Cross multiply
    139,968,129.83x = 209,952,194.74 × 110,742,811.43
  4. Step 4: Simplify right side
    139,968,129.83x = 23,250,696,310,079,840
  5. Step 5: Solve for x
    x = 23,250,696,310,079,840/139,968,129.83
  6. Step 6: Final answer
    x = 166,114,217.14

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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.