Finding the Fourth Proportional to 259,784,473.08, 358,366,654.96 and 160,633,525.71
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Solution
The fourth proportional to 259,784,473.08, 358,366,654.96 and 160,633,525.71 is: 221,590,222.85
Step by Step Solution
- Step 1: Write the proportion equation
259,784,473.08 : 358,366,654.96 = 160,633,525.71 : x - Step 2: Convert to fraction form
259,784,473.08/358,366,654.96 = 160,633,525.71/x - Step 3: Cross multiply
259,784,473.08x = 358,366,654.96 × 160,633,525.71 - Step 4: Simplify right side
259,784,473.08x = 57,565,699,283,123,856 - Step 5: Solve for x
x = 57,565,699,283,123,856/259,784,473.08 - Step 6: Final answer
x = 221,590,222.85
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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.