Finding the Fourth Proportional to 131,733,982.08, 181,733,279.40 and 79,506,322.56
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Solution
The fourth proportional to 131,733,982.08, 181,733,279.40 and 79,506,322.56 is: 109,682,744.75
Step by Step Solution
- Step 1: Write the proportion equation
131,733,982.08 : 181,733,279.40 = 79,506,322.56 : x - Step 2: Convert to fraction form
131,733,982.08/181,733,279.40 = 79,506,322.56/x - Step 3: Cross multiply
131,733,982.08x = 181,733,279.40 × 79,506,322.56 - Step 4: Simplify right side
131,733,982.08x = 14,448,944,731,863,004 - Step 5: Solve for x
x = 14,448,944,731,863,004/131,733,982.08 - Step 6: Final answer
x = 109,682,744.75
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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.