Finding the Fourth Proportional to 173,634,386.14, 239,606,653.35 and 103,073,012.47
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Solution
The fourth proportional to 173,634,386.14, 239,606,653.35 and 103,073,012.47 is: 142,235,533.63
Step by Step Solution
- Step 1: Write the proportion equation
173,634,386.14 : 239,606,653.35 = 103,073,012.47 : x - Step 2: Convert to fraction form
173,634,386.14/239,606,653.35 = 103,073,012.47/x - Step 3: Cross multiply
173,634,386.14x = 239,606,653.35 × 103,073,012.47 - Step 4: Simplify right side
173,634,386.14x = 24,696,979,568,427,024 - Step 5: Solve for x
x = 24,696,979,568,427,024/173,634,386.14 - Step 6: Final answer
x = 142,235,533.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.