Home / 209,953,810.70-314,930,716.05-133,048,393.10

Finding the Fourth Proportional to 209,953,810.70, 314,930,716.05 and 133,048,393.10

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Solution

The fourth proportional to 209,953,810.70, 314,930,716.05 and 133,048,393.10 is: 199,572,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,810.70 : 314,930,716.05 = 133,048,393.10 : x
  2. Step 2: Convert to fraction form
    209,953,810.70/314,930,716.05 = 133,048,393.10/x
  3. Step 3: Cross multiply
    209,953,810.70x = 314,930,716.05 × 133,048,393.10
  4. Step 4: Simplify right side
    209,953,810.70x = 41,901,025,708,284,880
  5. Step 5: Solve for x
    x = 41,901,025,708,284,880/209,953,810.70
  6. Step 6: Final answer
    x = 199,572,589.65

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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.