Finding the Fourth Proportional to 257,737,253.25, 355,752,358.20 and 168,442,631.01
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Solution
The fourth proportional to 257,737,253.25, 355,752,358.20 and 168,442,631.01 is: 232,499,813.08
Step by Step Solution
- Step 1: Write the proportion equation
257,737,253.25 : 355,752,358.20 = 168,442,631.01 : x - Step 2: Convert to fraction form
257,737,253.25/355,752,358.20 = 168,442,631.01/x - Step 3: Cross multiply
257,737,253.25x = 355,752,358.20 × 168,442,631.01 - Step 4: Simplify right side
257,737,253.25x = 59,923,863,203,219,944 - Step 5: Solve for x
x = 59,923,863,203,219,944/257,737,253.25 - Step 6: Final answer
x = 232,499,813.08
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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.