Finding the Fourth Proportional to 78,430,826.14, 117,419,053.35 and 59,081,541.96
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Solution
The fourth proportional to 78,430,826.14, 117,419,053.35 and 59,081,541.96 is: 88,451,174.99
Step by Step Solution
- Step 1: Write the proportion equation
78,430,826.14 : 117,419,053.35 = 59,081,541.96 : x - Step 2: Convert to fraction form
78,430,826.14/117,419,053.35 = 59,081,541.96/x - Step 3: Cross multiply
78,430,826.14x = 117,419,053.35 × 59,081,541.96 - Step 4: Simplify right side
78,430,826.14x = 6,937,298,727,070,270 - Step 5: Solve for x
x = 6,937,298,727,070,270/78,430,826.14 - Step 6: Final answer
x = 88,451,174.99
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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.