Home / 105,667,999.80-158,501,999.70-97,353,900.60

Finding the Fourth Proportional to 105,667,999.80, 158,501,999.70 and 97,353,900.60

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Solution

The fourth proportional to 105,667,999.80, 158,501,999.70 and 97,353,900.60 is: 146,030,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,667,999.80 : 158,501,999.70 = 97,353,900.60 : x
  2. Step 2: Convert to fraction form
    105,667,999.80/158,501,999.70 = 97,353,900.60/x
  3. Step 3: Cross multiply
    105,667,999.80x = 158,501,999.70 × 97,353,900.60
  4. Step 4: Simplify right side
    105,667,999.80x = 15,430,787,923,695,028
  5. Step 5: Solve for x
    x = 15,430,787,923,695,028/105,667,999.80
  6. Step 6: Final answer
    x = 146,030,850.90

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1.5x scale

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.