Finding the Fourth Proportional to 90,282,941.28, 135,406,305.72 and 44,204,957.28
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Solution
The fourth proportional to 90,282,941.28, 135,406,305.72 and 44,204,957.28 is: 66,298,570.64
Step by Step Solution
- Step 1: Write the proportion equation
90,282,941.28 : 135,406,305.72 = 44,204,957.28 : x - Step 2: Convert to fraction form
90,282,941.28/135,406,305.72 = 44,204,957.28/x - Step 3: Cross multiply
90,282,941.28x = 135,406,305.72 × 44,204,957.28 - Step 4: Simplify right side
90,282,941.28x = 5,985,629,959,795,220 - Step 5: Solve for x
x = 5,985,629,959,795,220/90,282,941.28 - Step 6: Final answer
x = 66,298,570.64
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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.