Home / 193,641,920.40-290,070,970.20-120,634,611.60

Finding the Fourth Proportional to 193,641,920.40, 290,070,970.20 and 120,634,611.60

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Solution

The fourth proportional to 193,641,920.40, 290,070,970.20 and 120,634,611.60 is: 180,707,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,641,920.40 : 290,070,970.20 = 120,634,611.60 : x
  2. Step 2: Convert to fraction form
    193,641,920.40/290,070,970.20 = 120,634,611.60/x
  3. Step 3: Cross multiply
    193,641,920.40x = 290,070,970.20 × 120,634,611.60
  4. Step 4: Simplify right side
    193,641,920.40x = 34,992,598,826,512,172
  5. Step 5: Solve for x
    x = 34,992,598,826,512,172/193,641,920.40
  6. Step 6: Final answer
    x = 180,707,765.93

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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.