Home / 199,284,498.60-298,926,747.90-122,358,085.80

Finding the Fourth Proportional to 199,284,498.60, 298,926,747.90 and 122,358,085.80

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Solution

The fourth proportional to 199,284,498.60, 298,926,747.90 and 122,358,085.80 is: 183,537,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,284,498.60 : 298,926,747.90 = 122,358,085.80 : x
  2. Step 2: Convert to fraction form
    199,284,498.60/298,926,747.90 = 122,358,085.80/x
  3. Step 3: Cross multiply
    199,284,498.60x = 298,926,747.90 × 122,358,085.80
  4. Step 4: Simplify right side
    199,284,498.60x = 36,576,104,667,463,168
  5. Step 5: Solve for x
    x = 36,576,104,667,463,168/199,284,498.60
  6. Step 6: Final answer
    x = 183,537,128.70

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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.