Home / 208,040,740.80-311,837,162.40-78,598,334.40

Finding the Fourth Proportional to 208,040,740.80, 311,837,162.40 and 78,598,334.40

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Solution

The fourth proportional to 208,040,740.80, 311,837,162.40 and 78,598,334.40 is: 117,812,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,040,740.80 : 311,837,162.40 = 78,598,334.40 : x
  2. Step 2: Convert to fraction form
    208,040,740.80/311,837,162.40 = 78,598,334.40/x
  3. Step 3: Cross multiply
    208,040,740.80x = 311,837,162.40 × 78,598,334.40
  4. Step 4: Simplify right side
    208,040,740.80x = 24,509,881,568,662,308
  5. Step 5: Solve for x
    x = 24,509,881,568,662,308/208,040,740.80
  6. Step 6: Final answer
    x = 117,812,893.16

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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.