Home / 79,021,050.44-109,051,969.30-43,259,998.03

Finding the Fourth Proportional to 79,021,050.44, 109,051,969.30 and 43,259,998.03

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Solution

The fourth proportional to 79,021,050.44, 109,051,969.30 and 43,259,998.03 is: 59,700,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,021,050.44 : 109,051,969.30 = 43,259,998.03 : x
  2. Step 2: Convert to fraction form
    79,021,050.44/109,051,969.30 = 43,259,998.03/x
  3. Step 3: Cross multiply
    79,021,050.44x = 109,051,969.30 × 43,259,998.03
  4. Step 4: Simplify right side
    79,021,050.44x = 4,717,587,976,704,841
  5. Step 5: Solve for x
    x = 4,717,587,976,704,841/79,021,050.44
  6. Step 6: Final answer
    x = 59,700,395.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.