Home / 130,391,999.80-195,587,999.70-65,670,796.60

Finding the Fourth Proportional to 130,391,999.80, 195,587,999.70 and 65,670,796.60

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Solution

The fourth proportional to 130,391,999.80, 195,587,999.70 and 65,670,796.60 is: 98,506,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,391,999.80 : 195,587,999.70 = 65,670,796.60 : x
  2. Step 2: Convert to fraction form
    130,391,999.80/195,587,999.70 = 65,670,796.60/x
  3. Step 3: Cross multiply
    130,391,999.80x = 195,587,999.70 × 65,670,796.60
  4. Step 4: Simplify right side
    130,391,999.80x = 12,844,419,745,699,560
  5. Step 5: Solve for x
    x = 12,844,419,745,699,560/130,391,999.80
  6. Step 6: Final answer
    x = 98,506,194.90

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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.