Finding the Fourth Proportional to 68,125,242.96, 93,998,801.16 and 39,146,268.24
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Solution
The fourth proportional to 68,125,242.96, 93,998,801.16 and 39,146,268.24 is: 54,013,785.85
Step by Step Solution
- Step 1: Write the proportion equation
68,125,242.96 : 93,998,801.16 = 39,146,268.24 : x - Step 2: Convert to fraction form
68,125,242.96/93,998,801.16 = 39,146,268.24/x - Step 3: Cross multiply
68,125,242.96x = 93,998,801.16 × 39,146,268.24 - Step 4: Simplify right side
68,125,242.96x = 3,679,702,284,447,783 - Step 5: Solve for x
x = 3,679,702,284,447,783/68,125,242.96 - Step 6: Final answer
x = 54,013,785.85
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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.