Finding the Fourth Proportional to 217,851,139.37, 326,776,509.39 and 68,286,678.03
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Solution
The fourth proportional to 217,851,139.37, 326,776,509.39 and 68,286,678.03 is: 102,429,954.45
Step by Step Solution
- Step 1: Write the proportion equation
217,851,139.37 : 326,776,509.39 = 68,286,678.03 : x - Step 2: Convert to fraction form
217,851,139.37/326,776,509.39 = 68,286,678.03/x - Step 3: Cross multiply
217,851,139.37x = 326,776,509.39 × 68,286,678.03 - Step 4: Simplify right side
217,851,139.37x = 22,314,482,283,019,036 - Step 5: Solve for x
x = 22,314,482,283,019,036/217,851,139.37 - Step 6: Final answer
x = 102,429,954.45
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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.