Finding the Fourth Proportional to 156,129,183.28, 215,387,617.08 and 94,229,734.96
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Solution
The fourth proportional to 156,129,183.28, 215,387,617.08 and 94,229,734.96 is: 129,994,390.83
Step by Step Solution
- Step 1: Write the proportion equation
156,129,183.28 : 215,387,617.08 = 94,229,734.96 : x - Step 2: Convert to fraction form
156,129,183.28/215,387,617.08 = 94,229,734.96/x - Step 3: Cross multiply
156,129,183.28x = 215,387,617.08 × 94,229,734.96 - Step 4: Simplify right side
156,129,183.28x = 20,295,918,071,114,368 - Step 5: Solve for x
x = 20,295,918,071,114,368/156,129,183.28 - Step 6: Final answer
x = 129,994,390.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.