Finding the Fourth Proportional to 189,026,657.42, 260,683,431.18 and 129,574,352.75
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Solution
The fourth proportional to 189,026,657.42, 260,683,431.18 and 129,574,352.75 is: 178,693,774.35
Step by Step Solution
- Step 1: Write the proportion equation
189,026,657.42 : 260,683,431.18 = 129,574,352.75 : x - Step 2: Convert to fraction form
189,026,657.42/260,683,431.18 = 129,574,352.75/x - Step 3: Cross multiply
189,026,657.42x = 260,683,431.18 × 129,574,352.75 - Step 4: Simplify right side
189,026,657.42x = 33,777,886,866,494,252 - Step 5: Solve for x
x = 33,777,886,866,494,252/189,026,657.42 - Step 6: Final answer
x = 178,693,774.35
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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.