Home / 193,552,014.60-290,328,021.90-85,846,638.60

Finding the Fourth Proportional to 193,552,014.60, 290,328,021.90 and 85,846,638.60

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Solution

The fourth proportional to 193,552,014.60, 290,328,021.90 and 85,846,638.60 is: 128,769,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,552,014.60 : 290,328,021.90 = 85,846,638.60 : x
  2. Step 2: Convert to fraction form
    193,552,014.60/290,328,021.90 = 85,846,638.60/x
  3. Step 3: Cross multiply
    193,552,014.60x = 290,328,021.90 × 85,846,638.60
  4. Step 4: Simplify right side
    193,552,014.60x = 24,923,684,771,502,180
  5. Step 5: Solve for x
    x = 24,923,684,771,502,180/193,552,014.60
  6. Step 6: Final answer
    x = 128,769,957.90

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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.