Finding the Fourth Proportional to 64,791,837.30, 97,189,311.15 and 19,355,114.10
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Solution
The fourth proportional to 64,791,837.30, 97,189,311.15 and 19,355,114.10 is: 29,033,135.73
Step by Step Solution
- Step 1: Write the proportion equation
64,791,837.30 : 97,189,311.15 = 19,355,114.10 : x - Step 2: Convert to fraction form
64,791,837.30/97,189,311.15 = 19,355,114.10/x - Step 3: Cross multiply
64,791,837.30x = 97,189,311.15 × 19,355,114.10 - Step 4: Simplify right side
64,791,837.30x = 1,881,110,206,608,652.50 - Step 5: Solve for x
x = 1,881,110,206,608,652.50/64,791,837.30 - Step 6: Final answer
x = 29,033,135.73
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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.