Finding the Fourth Proportional to 131,734,006.36, 181,733,312.80 and 79,506,346.84
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Solution
The fourth proportional to 131,734,006.36, 181,733,312.80 and 79,506,346.84 is: 109,682,778.19
Step by Step Solution
- Step 1: Write the proportion equation
131,734,006.36 : 181,733,312.80 = 79,506,346.84 : x - Step 2: Convert to fraction form
131,734,006.36/181,733,312.80 = 79,506,346.84/x - Step 3: Cross multiply
131,734,006.36x = 181,733,312.80 × 79,506,346.84 - Step 4: Simplify right side
131,734,006.36x = 14,448,951,799,859,014 - Step 5: Solve for x
x = 14,448,951,799,859,014/131,734,006.36 - Step 6: Final answer
x = 109,682,778.19
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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.