Home / 209,303,608.16-313,958,741.64-116,520,315.10

Finding the Fourth Proportional to 209,303,608.16, 313,958,741.64 and 116,520,315.10

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Solution

The fourth proportional to 209,303,608.16, 313,958,741.64 and 116,520,315.10 is: 174,782,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,303,608.16 : 313,958,741.64 = 116,520,315.10 : x
  2. Step 2: Convert to fraction form
    209,303,608.16/313,958,741.64 = 116,520,315.10/x
  3. Step 3: Cross multiply
    209,303,608.16x = 313,958,741.64 × 116,520,315.10
  4. Step 4: Simplify right side
    209,303,608.16x = 36,582,571,504,785,888
  5. Step 5: Solve for x
    x = 36,582,571,504,785,888/209,303,608.16
  6. Step 6: Final answer
    x = 174,782,326.15

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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.