Finding the Fourth Proportional to 212,593,869.95, 293,379,538.10 and 114,808,725.95
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Solution
The fourth proportional to 212,593,869.95, 293,379,538.10 and 114,808,725.95 is: 158,436,040.50
Step by Step Solution
- Step 1: Write the proportion equation
212,593,869.95 : 293,379,538.10 = 114,808,725.95 : x - Step 2: Convert to fraction form
212,593,869.95/293,379,538.10 = 114,808,725.95/x - Step 3: Cross multiply
212,593,869.95x = 293,379,538.10 × 114,808,725.95 - Step 4: Simplify right side
212,593,869.95x = 33,682,530,989,060,488 - Step 5: Solve for x
x = 33,682,530,989,060,488/212,593,869.95 - Step 6: Final answer
x = 158,436,040.50
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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.