Home / 79,021,050.94-109,051,969.99-43,259,998.53

Finding the Fourth Proportional to 79,021,050.94, 109,051,969.99 and 43,259,998.53

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Solution

The fourth proportional to 79,021,050.94, 109,051,969.99 and 43,259,998.53 is: 59,700,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,021,050.94 : 109,051,969.99 = 43,259,998.53 : x
  2. Step 2: Convert to fraction form
    79,021,050.94/109,051,969.99 = 43,259,998.53/x
  3. Step 3: Cross multiply
    79,021,050.94x = 109,051,969.99 × 43,259,998.53
  4. Step 4: Simplify right side
    79,021,050.94x = 4,717,588,061,461,004
  5. Step 5: Solve for x
    x = 4,717,588,061,461,004/79,021,050.94
  6. Step 6: Final answer
    x = 59,700,396.36

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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.