Finding the Fourth Proportional to 139,179,468.24, 192,067,660.08 and 77,305,564.08
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Solution
The fourth proportional to 139,179,468.24, 192,067,660.08 and 77,305,564.08 is: 106,681,675.05
Step by Step Solution
- Step 1: Write the proportion equation
139,179,468.24 : 192,067,660.08 = 77,305,564.08 : x - Step 2: Convert to fraction form
139,179,468.24/192,067,660.08 = 77,305,564.08/x - Step 3: Cross multiply
139,179,468.24x = 192,067,660.08 × 77,305,564.08 - Step 4: Simplify right side
139,179,468.24x = 14,847,898,804,010,098 - Step 5: Solve for x
x = 14,847,898,804,010,098/139,179,468.24 - Step 6: Final answer
x = 106,681,675.05
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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.