Home / 139,451,531.04-209,308,350.51-73,025,636.67

Finding the Fourth Proportional to 139,451,531.04, 209,308,350.51 and 73,025,636.67

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Solution

The fourth proportional to 139,451,531.04, 209,308,350.51 and 73,025,636.67 is: 109,607,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,451,531.04 : 209,308,350.51 = 73,025,636.67 : x
  2. Step 2: Convert to fraction form
    139,451,531.04/209,308,350.51 = 73,025,636.67/x
  3. Step 3: Cross multiply
    139,451,531.04x = 209,308,350.51 × 73,025,636.67
  4. Step 4: Simplify right side
    139,451,531.04x = 15,284,875,556,340,268
  5. Step 5: Solve for x
    x = 15,284,875,556,340,268/139,451,531.04
  6. Step 6: Final answer
    x = 109,607,083.14

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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.