Finding the Fourth Proportional to 68,620,387.44, 94,697,779.91 and 37,259,758.21
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Solution
The fourth proportional to 68,620,387.44, 94,697,779.91 and 37,259,758.21 is: 51,419,359.66
Step by Step Solution
- Step 1: Write the proportion equation
68,620,387.44 : 94,697,779.91 = 37,259,758.21 : x - Step 2: Convert to fraction form
68,620,387.44/94,697,779.91 = 37,259,758.21/x - Step 3: Cross multiply
68,620,387.44x = 94,697,779.91 × 37,259,758.21 - Step 4: Simplify right side
68,620,387.44x = 3,528,416,381,810,607.50 - Step 5: Solve for x
x = 3,528,416,381,810,607.50/68,620,387.44 - Step 6: Final answer
x = 51,419,359.66
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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.