Home / 282,954,576.48-424,431,828.72-78,482,650.56

Finding the Fourth Proportional to 282,954,576.48, 424,431,828.72 and 78,482,650.56

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Solution

The fourth proportional to 282,954,576.48, 424,431,828.72 and 78,482,650.56 is: 117,723,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,954,576.48 : 424,431,828.72 = 78,482,650.56 : x
  2. Step 2: Convert to fraction form
    282,954,576.48/424,431,828.72 = 78,482,650.56/x
  3. Step 3: Cross multiply
    282,954,576.48x = 424,431,828.72 × 78,482,650.56
  4. Step 4: Simplify right side
    282,954,576.48x = 33,310,534,899,973,536
  5. Step 5: Solve for x
    x = 33,310,534,899,973,536/282,954,576.48
  6. Step 6: Final answer
    x = 117,723,965.85

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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.