Finding the Fourth Proportional to 78,032,603.06, 107,684,954.75 and 46,670,651.49
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Solution
The fourth proportional to 78,032,603.06, 107,684,954.75 and 46,670,651.49 is: 64,405,476.65
Step by Step Solution
- Step 1: Write the proportion equation
78,032,603.06 : 107,684,954.75 = 46,670,651.49 : x - Step 2: Convert to fraction form
78,032,603.06/107,684,954.75 = 46,670,651.49/x - Step 3: Cross multiply
78,032,603.06x = 107,684,954.75 × 46,670,651.49 - Step 4: Simplify right side
78,032,603.06x = 5,025,726,993,620,317 - Step 5: Solve for x
x = 5,025,726,993,620,317/78,032,603.06 - Step 6: Final answer
x = 64,405,476.65
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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.