Home / 139,549,121.56-209,307,197.22-37,321,082.20

Finding the Fourth Proportional to 139,549,121.56, 209,307,197.22 and 37,321,082.20

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Solution

The fourth proportional to 139,549,121.56, 209,307,197.22 and 37,321,082.20 is: 55,977,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,549,121.56 : 209,307,197.22 = 37,321,082.20 : x
  2. Step 2: Convert to fraction form
    139,549,121.56/209,307,197.22 = 37,321,082.20/x
  3. Step 3: Cross multiply
    139,549,121.56x = 209,307,197.22 × 37,321,082.20
  4. Step 4: Simplify right side
    139,549,121.56x = 7,811,571,112,499,232
  5. Step 5: Solve for x
    x = 7,811,571,112,499,232/139,549,121.56
  6. Step 6: Final answer
    x = 55,977,214.51

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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.