Home / 69,901,598.94-104,852,307.69-18,783,618.90

Finding the Fourth Proportional to 69,901,598.94, 104,852,307.69 and 18,783,618.90

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Solution

The fourth proportional to 69,901,598.94, 104,852,307.69 and 18,783,618.90 is: 28,175,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,901,598.94 : 104,852,307.69 = 18,783,618.90 : x
  2. Step 2: Convert to fraction form
    69,901,598.94/104,852,307.69 = 18,783,618.90/x
  3. Step 3: Cross multiply
    69,901,598.94x = 104,852,307.69 × 18,783,618.90
  4. Step 4: Simplify right side
    69,901,598.94x = 1,969,505,788,434,499.25
  5. Step 5: Solve for x
    x = 1,969,505,788,434,499.25/69,901,598.94
  6. Step 6: Final answer
    x = 28,175,403.97

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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.