Finding the Fourth Proportional to 173,321,217.14, 239,043,815.16 and 152,368,449.74
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Solution
The fourth proportional to 173,321,217.14, 239,043,815.16 and 152,368,449.74 is: 210,145,855.98
Step by Step Solution
- Step 1: Write the proportion equation
173,321,217.14 : 239,043,815.16 = 152,368,449.74 : x - Step 2: Convert to fraction form
173,321,217.14/239,043,815.16 = 152,368,449.74/x - Step 3: Cross multiply
173,321,217.14x = 239,043,815.16 × 152,368,449.74 - Step 4: Simplify right side
173,321,217.14x = 36,422,735,535,864,312 - Step 5: Solve for x
x = 36,422,735,535,864,312/173,321,217.14 - Step 6: Final answer
x = 210,145,855.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.