Finding the Fourth Proportional to 234,178,117.56, 351,235,289.34 and 61,640,482.68
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Solution
The fourth proportional to 234,178,117.56, 351,235,289.34 and 61,640,482.68 is: 92,452,330.71
Step by Step Solution
- Step 1: Write the proportion equation
234,178,117.56 : 351,235,289.34 = 61,640,482.68 : x - Step 2: Convert to fraction form
234,178,117.56/351,235,289.34 = 61,640,482.68/x - Step 3: Cross multiply
234,178,117.56x = 351,235,289.34 × 61,640,482.68 - Step 4: Simplify right side
234,178,117.56x = 21,650,312,769,167,056 - Step 5: Solve for x
x = 21,650,312,769,167,056/234,178,117.56 - Step 6: Final answer
x = 92,452,330.71
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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.