Home / 199,284,529.20-298,926,793.80-122,358,116.40

Finding the Fourth Proportional to 199,284,529.20, 298,926,793.80 and 122,358,116.40

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Solution

The fourth proportional to 199,284,529.20, 298,926,793.80 and 122,358,116.40 is: 183,537,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,284,529.20 : 298,926,793.80 = 122,358,116.40 : x
  2. Step 2: Convert to fraction form
    199,284,529.20/298,926,793.80 = 122,358,116.40/x
  3. Step 3: Cross multiply
    199,284,529.20x = 298,926,793.80 × 122,358,116.40
  4. Step 4: Simplify right side
    199,284,529.20x = 36,576,119,430,859,200
  5. Step 5: Solve for x
    x = 36,576,119,430,859,200/199,284,529.20
  6. Step 6: Final answer
    x = 183,537,174.60

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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.