Home / 212,759,659.09-293,595,676.07-123,444,684.15

Finding the Fourth Proportional to 212,759,659.09, 293,595,676.07 and 123,444,684.15

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Solution

The fourth proportional to 212,759,659.09, 293,595,676.07 and 123,444,684.15 is: 170,346,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,759,659.09 : 293,595,676.07 = 123,444,684.15 : x
  2. Step 2: Convert to fraction form
    212,759,659.09/293,595,676.07 = 123,444,684.15/x
  3. Step 3: Cross multiply
    212,759,659.09x = 293,595,676.07 × 123,444,684.15
  4. Step 4: Simplify right side
    212,759,659.09x = 36,242,825,500,266,864
  5. Step 5: Solve for x
    x = 36,242,825,500,266,864/212,759,659.09
  6. Step 6: Final answer
    x = 170,346,322.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.