Home / 282,910,725.24-424,366,107.32-78,438,806.16

Finding the Fourth Proportional to 282,910,725.24, 424,366,107.32 and 78,438,806.16

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Solution

The fourth proportional to 282,910,725.24, 424,366,107.32 and 78,438,806.16 is: 117,658,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,910,725.24 : 424,366,107.32 = 78,438,806.16 : x
  2. Step 2: Convert to fraction form
    282,910,725.24/424,366,107.32 = 78,438,806.16/x
  3. Step 3: Cross multiply
    282,910,725.24x = 424,366,107.32 × 78,438,806.16
  4. Step 4: Simplify right side
    282,910,725.24x = 33,286,770,832,947,236
  5. Step 5: Solve for x
    x = 33,286,770,832,947,236/282,910,725.24
  6. Step 6: Final answer
    x = 117,658,214.64

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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.