Finding the Fourth Proportional to 186,336,038.84, 257,162,868.42 and 112,020,658.28
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Solution
The fourth proportional to 186,336,038.84, 257,162,868.42 and 112,020,658.28 is: 154,600,011.81
Step by Step Solution
- Step 1: Write the proportion equation
186,336,038.84 : 257,162,868.42 = 112,020,658.28 : x - Step 2: Convert to fraction form
186,336,038.84/257,162,868.42 = 112,020,658.28/x - Step 3: Cross multiply
186,336,038.84x = 257,162,868.42 × 112,020,658.28 - Step 4: Simplify right side
186,336,038.84x = 28,807,553,805,581,424 - Step 5: Solve for x
x = 28,807,553,805,581,424/186,336,038.84 - Step 6: Final answer
x = 154,600,011.81
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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.