Finding the Fourth Proportional to 87,477,362.06, 120,716,447.37 and 48,318,298.07
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Solution
The fourth proportional to 87,477,362.06, 120,716,447.37 and 48,318,298.07 is: 66,677,974.14
Step by Step Solution
- Step 1: Write the proportion equation
87,477,362.06 : 120,716,447.37 = 48,318,298.07 : x - Step 2: Convert to fraction form
87,477,362.06/120,716,447.37 = 48,318,298.07/x - Step 3: Cross multiply
87,477,362.06x = 120,716,447.37 × 48,318,298.07 - Step 4: Simplify right side
87,477,362.06x = 5,832,813,285,371,545 - Step 5: Solve for x
x = 5,832,813,285,371,545/87,477,362.06 - Step 6: Final answer
x = 66,677,974.14
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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.