Home / 43,315,741.77-64,939,889.52-21,441,028.38

Finding the Fourth Proportional to 43,315,741.77, 64,939,889.52 and 21,441,028.38

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Solution

The fourth proportional to 43,315,741.77, 64,939,889.52 and 21,441,028.38 is: 32,144,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315,741.77 : 64,939,889.52 = 21,441,028.38 : x
  2. Step 2: Convert to fraction form
    43,315,741.77/64,939,889.52 = 21,441,028.38/x
  3. Step 3: Cross multiply
    43,315,741.77x = 64,939,889.52 × 21,441,028.38
  4. Step 4: Simplify right side
    43,315,741.77x = 1,392,378,014,192,384.50
  5. Step 5: Solve for x
    x = 1,392,378,014,192,384.50/43,315,741.77
  6. Step 6: Final answer
    x = 32,144,849.82

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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.