Finding the Fourth Proportional to 135,217,674.51, 201,689,651.76 and 122,804,328.57
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Solution
The fourth proportional to 135,217,674.51, 201,689,651.76 and 122,804,328.57 is: 183,173,999.65
Step by Step Solution
- Step 1: Write the proportion equation
135,217,674.51 : 201,689,651.76 = 122,804,328.57 : x - Step 2: Convert to fraction form
135,217,674.51/201,689,651.76 = 122,804,328.57/x - Step 3: Cross multiply
135,217,674.51x = 201,689,651.76 × 122,804,328.57 - Step 4: Simplify right side
135,217,674.51x = 24,768,362,263,903,916 - Step 5: Solve for x
x = 24,768,362,263,903,916/135,217,674.51 - Step 6: Final answer
x = 183,173,999.65
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.