Home / 43,667,999.20-65,501,998.80-18,106,343.20

Finding the Fourth Proportional to 43,667,999.20, 65,501,998.80 and 18,106,343.20

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Solution

The fourth proportional to 43,667,999.20, 65,501,998.80 and 18,106,343.20 is: 27,159,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,667,999.20 : 65,501,998.80 = 18,106,343.20 : x
  2. Step 2: Convert to fraction form
    43,667,999.20/65,501,998.80 = 18,106,343.20/x
  3. Step 3: Cross multiply
    43,667,999.20x = 65,501,998.80 × 18,106,343.20
  4. Step 4: Simplify right side
    43,667,999.20x = 1,186,001,670,558,788
  5. Step 5: Solve for x
    x = 1,186,001,670,558,788/43,667,999.20
  6. Step 6: Final answer
    x = 27,159,514.80

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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.