Finding the Fourth Proportional to 189,085,596.88, 260,938,124.52 and 102,165,468.88
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Solution
The fourth proportional to 189,085,596.88, 260,938,124.52 and 102,165,468.88 is: 140,988,347.50
Step by Step Solution
- Step 1: Write the proportion equation
189,085,596.88 : 260,938,124.52 = 102,165,468.88 : x - Step 2: Convert to fraction form
189,085,596.88/260,938,124.52 = 102,165,468.88/x - Step 3: Cross multiply
189,085,596.88x = 260,938,124.52 × 102,165,468.88 - Step 4: Simplify right side
189,085,596.88x = 26,658,865,840,253,624 - Step 5: Solve for x
x = 26,658,865,840,253,624/189,085,596.88 - Step 6: Final answer
x = 140,988,347.50
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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.