Home / 286,107,272.68-428,586,292.88-130,446,958.22

Finding the Fourth Proportional to 286,107,272.68, 428,586,292.88 and 130,446,958.22

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Solution

The fourth proportional to 286,107,272.68, 428,586,292.88 and 130,446,958.22 is: 195,408,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,107,272.68 : 428,586,292.88 = 130,446,958.22 : x
  2. Step 2: Convert to fraction form
    286,107,272.68/428,586,292.88 = 130,446,958.22/x
  3. Step 3: Cross multiply
    286,107,272.68x = 428,586,292.88 × 130,446,958.22
  4. Step 4: Simplify right side
    286,107,272.68x = 55,907,778,242,326,656
  5. Step 5: Solve for x
    x = 55,907,778,242,326,656/286,107,272.68
  6. Step 6: Final answer
    x = 195,408,448.44

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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.