Finding the Fourth Proportional to 191,306,366.88, 286,957,659.24 and 87,646,168.68
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Solution
The fourth proportional to 191,306,366.88, 286,957,659.24 and 87,646,168.68 is: 131,468,386.63
Step by Step Solution
- Step 1: Write the proportion equation
191,306,366.88 : 286,957,659.24 = 87,646,168.68 : x - Step 2: Convert to fraction form
191,306,366.88/286,957,659.24 = 87,646,168.68/x - Step 3: Cross multiply
191,306,366.88x = 286,957,659.24 × 87,646,168.68 - Step 4: Simplify right side
191,306,366.88x = 25,150,739,405,767,004 - Step 5: Solve for x
x = 25,150,739,405,767,004/191,306,366.88 - Step 6: Final answer
x = 131,468,386.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.