Home / 286,293,086.40-429,439,629.60-141,010,403.04

Finding the Fourth Proportional to 286,293,086.40, 429,439,629.60 and 141,010,403.04

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Solution

The fourth proportional to 286,293,086.40, 429,439,629.60 and 141,010,403.04 is: 211,515,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,293,086.40 : 429,439,629.60 = 141,010,403.04 : x
  2. Step 2: Convert to fraction form
    286,293,086.40/429,439,629.60 = 141,010,403.04/x
  3. Step 3: Cross multiply
    286,293,086.40x = 429,439,629.60 × 141,010,403.04
  4. Step 4: Simplify right side
    286,293,086.40x = 60,555,455,251,244,312
  5. Step 5: Solve for x
    x = 60,555,455,251,244,312/286,293,086.40
  6. Step 6: Final answer
    x = 211,515,604.56

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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.