Finding the Fourth Proportional to 252,889,791.58, 348,995,579.57 and 141,385,330.50
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Solution
The fourth proportional to 252,889,791.58, 348,995,579.57 and 141,385,330.50 is: 195,116,042.65
Step by Step Solution
- Step 1: Write the proportion equation
252,889,791.58 : 348,995,579.57 = 141,385,330.50 : x - Step 2: Convert to fraction form
252,889,791.58/348,995,579.57 = 141,385,330.50/x - Step 3: Cross multiply
252,889,791.58x = 348,995,579.57 × 141,385,330.50 - Step 4: Simplify right side
252,889,791.58x = 49,342,855,360,543,496 - Step 5: Solve for x
x = 49,342,855,360,543,496/252,889,791.58 - Step 6: Final answer
x = 195,116,042.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.