Finding the Fourth Proportional to 145,025,986.36, 217,393,525.07 and 67,357,435.09
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Solution
The fourth proportional to 145,025,986.36, 217,393,525.07 and 67,357,435.09 is: 100,968,596.18
Step by Step Solution
- Step 1: Write the proportion equation
145,025,986.36 : 217,393,525.07 = 67,357,435.09 : x - Step 2: Convert to fraction form
145,025,986.36/217,393,525.07 = 67,357,435.09/x - Step 3: Cross multiply
145,025,986.36x = 217,393,525.07 × 67,357,435.09 - Step 4: Simplify right side
145,025,986.36x = 14,643,070,252,465,056 - Step 5: Solve for x
x = 14,643,070,252,465,056/145,025,986.36 - Step 6: Final answer
x = 100,968,596.18
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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.