Finding the Fourth Proportional to 202,263,695.44, 279,312,517.01 and 148,872,307.70
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Solution
The fourth proportional to 202,263,695.44, 279,312,517.01 and 148,872,307.70 is: 205,582,612.77
Step by Step Solution
- Step 1: Write the proportion equation
202,263,695.44 : 279,312,517.01 = 148,872,307.70 : x - Step 2: Convert to fraction form
202,263,695.44/279,312,517.01 = 148,872,307.70/x - Step 3: Cross multiply
202,263,695.44x = 279,312,517.01 × 148,872,307.70 - Step 4: Simplify right side
202,263,695.44x = 41,581,898,976,029,840 - Step 5: Solve for x
x = 41,581,898,976,029,840/202,263,695.44 - Step 6: Final answer
x = 205,582,612.77
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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.