Finding the Fourth Proportional to 235,517,999.42, 353,329,688.88 and 71,768,571.68
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Solution
The fourth proportional to 235,517,999.42, 353,329,688.88 and 71,768,571.68 is: 107,668,913.48
Step by Step Solution
- Step 1: Write the proportion equation
235,517,999.42 : 353,329,688.88 = 71,768,571.68 : x - Step 2: Convert to fraction form
235,517,999.42/353,329,688.88 = 71,768,571.68/x - Step 3: Cross multiply
235,517,999.42x = 353,329,688.88 × 71,768,571.68 - Step 4: Simplify right side
235,517,999.42x = 25,357,967,103,056,380 - Step 5: Solve for x
x = 25,357,967,103,056,380/235,517,999.42 - Step 6: Final answer
x = 107,668,913.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.