Home / 69,984,074.15-104,976,111.23-66,795,428.15

Finding the Fourth Proportional to 69,984,074.15, 104,976,111.23 and 66,795,428.15

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Solution

The fourth proportional to 69,984,074.15, 104,976,111.23 and 66,795,428.15 is: 100,193,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,074.15 : 104,976,111.23 = 66,795,428.15 : x
  2. Step 2: Convert to fraction form
    69,984,074.15/104,976,111.23 = 66,795,428.15/x
  3. Step 3: Cross multiply
    69,984,074.15x = 104,976,111.23 × 66,795,428.15
  4. Step 4: Simplify right side
    69,984,074.15x = 7,011,924,294,795,895
  5. Step 5: Solve for x
    x = 7,011,924,294,795,895/69,984,074.15
  6. Step 6: Final answer
    x = 100,193,142.23

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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.