Finding the Fourth Proportional to 137,276,366.99, 189,440,739.50 and 74,552,026.01
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Solution
The fourth proportional to 137,276,366.99, 189,440,739.50 and 74,552,026.01 is: 102,881,444.54
Step by Step Solution
- Step 1: Write the proportion equation
137,276,366.99 : 189,440,739.50 = 74,552,026.01 : x - Step 2: Convert to fraction form
137,276,366.99/189,440,739.50 = 74,552,026.01/x - Step 3: Cross multiply
137,276,366.99x = 189,440,739.50 × 74,552,026.01 - Step 4: Simplify right side
137,276,366.99x = 14,123,190,937,237,670 - Step 5: Solve for x
x = 14,123,190,937,237,670/137,276,366.99 - Step 6: Final answer
x = 102,881,444.54
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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.