Home / 259,038,715.80-388,515,512.82-93,007,850.43

Finding the Fourth Proportional to 259,038,715.80, 388,515,512.82 and 93,007,850.43

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Solution

The fourth proportional to 259,038,715.80, 388,515,512.82 and 93,007,850.43 is: 139,496,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,038,715.80 : 388,515,512.82 = 93,007,850.43 : x
  2. Step 2: Convert to fraction form
    259,038,715.80/388,515,512.82 = 93,007,850.43/x
  3. Step 3: Cross multiply
    259,038,715.80x = 388,515,512.82 × 93,007,850.43
  4. Step 4: Simplify right side
    259,038,715.80x = 36,134,992,706,097,312
  5. Step 5: Solve for x
    x = 36,134,992,706,097,312/259,038,715.80
  6. Step 6: Final answer
    x = 139,496,494.16

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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.