Home / 130,380,194,381.40-195,570,291,572.10-125,237,546,112.60

Finding the Fourth Proportional to 130,380,194,381.40, 195,570,291,572.10 and 125,237,546,112.60

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Solution

The fourth proportional to 130,380,194,381.40, 195,570,291,572.10 and 125,237,546,112.60 is: 187,856,319,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,380,194,381.40 : 195,570,291,572.10 = 125,237,546,112.60 : x
  2. Step 2: Convert to fraction form
    130,380,194,381.40/195,570,291,572.10 = 125,237,546,112.60/x
  3. Step 3: Cross multiply
    130,380,194,381.40x = 195,570,291,572.10 × 125,237,546,112.60
  4. Step 4: Simplify right side
    130,380,194,381.40x = 24,492,743,409,015,501,881,344
  5. Step 5: Solve for x
    x = 24,492,743,409,015,501,881,344/130,380,194,381.40
  6. Step 6: Final answer
    x = 187,856,319,168.90

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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.