Finding the Fourth Proportional to 173,321,216.14, 239,043,813.78 and 152,368,448.74
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Solution
The fourth proportional to 173,321,216.14, 239,043,813.78 and 152,368,448.74 is: 210,145,854.60
Step by Step Solution
- Step 1: Write the proportion equation
173,321,216.14 : 239,043,813.78 = 152,368,448.74 : x - Step 2: Convert to fraction form
173,321,216.14/239,043,813.78 = 152,368,448.74/x - Step 3: Cross multiply
173,321,216.14x = 239,043,813.78 × 152,368,448.74 - Step 4: Simplify right side
173,321,216.14x = 36,422,735,086,552,040 - Step 5: Solve for x
x = 36,422,735,086,552,040/173,321,216.14 - Step 6: Final answer
x = 210,145,854.60
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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.