Finding the Fourth Proportional to 306,609,698.08, 423,123,102.48 and 174,450,691.80
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Solution
The fourth proportional to 306,609,698.08, 423,123,102.48 and 174,450,691.80 is: 240,742,932.81
Step by Step Solution
- Step 1: Write the proportion equation
306,609,698.08 : 423,123,102.48 = 174,450,691.80 : x - Step 2: Convert to fraction form
306,609,698.08/423,123,102.48 = 174,450,691.80/x - Step 3: Cross multiply
306,609,698.08x = 423,123,102.48 × 174,450,691.80 - Step 4: Simplify right side
306,609,698.08x = 73,814,117,944,198,304 - Step 5: Solve for x
x = 73,814,117,944,198,304/306,609,698.08 - Step 6: Final answer
x = 240,742,932.81
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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.