Finding the Fourth Proportional to 135,128,658.56, 202,691,093.28 and 53,248,248.32
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Solution
The fourth proportional to 135,128,658.56, 202,691,093.28 and 53,248,248.32 is: 79,871,625.92
Step by Step Solution
- Step 1: Write the proportion equation
135,128,658.56 : 202,691,093.28 = 53,248,248.32 : x - Step 2: Convert to fraction form
135,128,658.56/202,691,093.28 = 53,248,248.32/x - Step 3: Cross multiply
135,128,658.56x = 202,691,093.28 × 53,248,248.32 - Step 4: Simplify right side
135,128,658.56x = 10,792,945,667,225,724 - Step 5: Solve for x
x = 10,792,945,667,225,724/135,128,658.56 - Step 6: Final answer
x = 79,871,625.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.