Finding the Fourth Proportional to 109,675,630.55, 163,532,916.72 and 106,662,360.08
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Solution
The fourth proportional to 109,675,630.55, 163,532,916.72 and 106,662,360.08 is: 159,039,950.45
Step by Step Solution
- Step 1: Write the proportion equation
109,675,630.55 : 163,532,916.72 = 106,662,360.08 : x - Step 2: Convert to fraction form
109,675,630.55/163,532,916.72 = 106,662,360.08/x - Step 3: Cross multiply
109,675,630.55x = 163,532,916.72 × 106,662,360.08 - Step 4: Simplify right side
109,675,630.55x = 17,442,806,848,530,124 - Step 5: Solve for x
x = 17,442,806,848,530,124/109,675,630.55 - Step 6: Final answer
x = 159,039,950.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.