Finding the Fourth Proportional to 91,830,087.36, 126,722,965.35 and 50,013,235.53
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Solution
The fourth proportional to 91,830,087.36, 126,722,965.35 and 50,013,235.53 is: 69,016,873.39
Step by Step Solution
- Step 1: Write the proportion equation
91,830,087.36 : 126,722,965.35 = 50,013,235.53 : x - Step 2: Convert to fraction form
91,830,087.36/126,722,965.35 = 50,013,235.53/x - Step 3: Cross multiply
91,830,087.36x = 126,722,965.35 × 50,013,235.53 - Step 4: Simplify right side
91,830,087.36x = 6,337,825,513,109,579 - Step 5: Solve for x
x = 6,337,825,513,109,579/91,830,087.36 - Step 6: Final answer
x = 69,016,873.39
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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.