Home / 53,302,144.63-79,954,845.75-18,286,767.77

Finding the Fourth Proportional to 53,302,144.63, 79,954,845.75 and 18,286,767.77

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Solution

The fourth proportional to 53,302,144.63, 79,954,845.75 and 18,286,767.77 is: 27,430,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,302,144.63 : 79,954,845.75 = 18,286,767.77 : x
  2. Step 2: Convert to fraction form
    53,302,144.63/79,954,845.75 = 18,286,767.77/x
  3. Step 3: Cross multiply
    53,302,144.63x = 79,954,845.75 × 18,286,767.77
  4. Step 4: Simplify right side
    53,302,144.63x = 1,462,115,696,075,491.75
  5. Step 5: Solve for x
    x = 1,462,115,696,075,491.75/53,302,144.63
  6. Step 6: Final answer
    x = 27,430,710.46

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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.