Home / 139,342,459.68-209,016,560.16-50,707,995.84

Finding the Fourth Proportional to 139,342,459.68, 209,016,560.16 and 50,707,995.84

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Solution

The fourth proportional to 139,342,459.68, 209,016,560.16 and 50,707,995.84 is: 76,063,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,342,459.68 : 209,016,560.16 = 50,707,995.84 : x
  2. Step 2: Convert to fraction form
    139,342,459.68/209,016,560.16 = 50,707,995.84/x
  3. Step 3: Cross multiply
    139,342,459.68x = 209,016,560.16 × 50,707,995.84
  4. Step 4: Simplify right side
    139,342,459.68x = 10,598,810,863,084,390
  5. Step 5: Solve for x
    x = 10,598,810,863,084,390/139,342,459.68
  6. Step 6: Final answer
    x = 76,063,038.41

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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.