Finding the Fourth Proportional to 68,416,610.12, 94,416,446.53 and 39,047,353.61
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Solution
The fourth proportional to 68,416,610.12, 94,416,446.53 and 39,047,353.61 is: 53,886,218.09
Step by Step Solution
- Step 1: Write the proportion equation
68,416,610.12 : 94,416,446.53 = 39,047,353.61 : x - Step 2: Convert to fraction form
68,416,610.12/94,416,446.53 = 39,047,353.61/x - Step 3: Cross multiply
68,416,610.12x = 94,416,446.53 × 39,047,353.61 - Step 4: Simplify right side
68,416,610.12x = 3,686,712,373,833,294 - Step 5: Solve for x
x = 3,686,712,373,833,294/68,416,610.12 - Step 6: Final answer
x = 53,886,218.09
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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.