Finding the Fourth Proportional to 245,062,646.48, 338,186,446.44 and 135,054,359.48
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Solution
The fourth proportional to 245,062,646.48, 338,186,446.44 and 135,054,359.48 is: 186,375,012.94
Step by Step Solution
- Step 1: Write the proportion equation
245,062,646.48 : 338,186,446.44 = 135,054,359.48 : x - Step 2: Convert to fraction form
245,062,646.48/338,186,446.44 = 135,054,359.48/x - Step 3: Cross multiply
245,062,646.48x = 338,186,446.44 × 135,054,359.48 - Step 4: Simplify right side
245,062,646.48x = 45,673,553,908,771,520 - Step 5: Solve for x
x = 45,673,553,908,771,520/245,062,646.48 - Step 6: Final answer
x = 186,375,012.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.