Finding the Fourth Proportional to 137,276,367.24, 189,440,739.84 and 74,552,026.26
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Solution
The fourth proportional to 137,276,367.24, 189,440,739.84 and 74,552,026.26 is: 102,881,444.89
Step by Step Solution
- Step 1: Write the proportion equation
137,276,367.24 : 189,440,739.84 = 74,552,026.26 : x - Step 2: Convert to fraction form
137,276,367.24/189,440,739.84 = 74,552,026.26/x - Step 3: Cross multiply
137,276,367.24x = 189,440,739.84 × 74,552,026.26 - Step 4: Simplify right side
137,276,367.24x = 14,123,191,011,265,510 - Step 5: Solve for x
x = 14,123,191,011,265,510/137,276,367.24 - Step 6: Final answer
x = 102,881,444.89
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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.