Home / 139,918,526,825.86-209,898,775,559.14-49,143,943,631.13

Finding the Fourth Proportional to 139,918,526,825.86, 209,898,775,559.14 and 49,143,943,631.13

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Solution

The fourth proportional to 139,918,526,825.86, 209,898,775,559.14 and 49,143,943,631.13 is: 73,723,286,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,918,526,825.86 : 209,898,775,559.14 = 49,143,943,631.13 : x
  2. Step 2: Convert to fraction form
    139,918,526,825.86/209,898,775,559.14 = 49,143,943,631.13/x
  3. Step 3: Cross multiply
    139,918,526,825.86x = 209,898,775,559.14 × 49,143,943,631.13
  4. Step 4: Simplify right side
    139,918,526,825.86x = 10,315,253,594,322,005,655,552
  5. Step 5: Solve for x
    x = 10,315,253,594,322,005,655,552/139,918,526,825.86
  6. Step 6: Final answer
    x = 73,723,286,174.68

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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.