Finding the Fourth Proportional to 79,965,683.08, 119,948,525.93 and 19,381,409.08
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Solution
The fourth proportional to 79,965,683.08, 119,948,525.93 and 19,381,409.08 is: 29,072,113.94
Step by Step Solution
- Step 1: Write the proportion equation
79,965,683.08 : 119,948,525.93 = 19,381,409.08 : x - Step 2: Convert to fraction form
79,965,683.08/119,948,525.93 = 19,381,409.08/x - Step 3: Cross multiply
79,965,683.08x = 119,948,525.93 × 19,381,409.08 - Step 4: Simplify right side
79,965,683.08x = 2,324,771,449,340,900 - Step 5: Solve for x
x = 2,324,771,449,340,900/79,965,683.08 - Step 6: Final answer
x = 29,072,113.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.