Finding the Fourth Proportional to 282,955,942.98, 390,475,201.59 and 159,196,324.86
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Solution
The fourth proportional to 282,955,942.98, 390,475,201.59 and 159,196,324.86 is: 219,688,677.99
Step by Step Solution
- Step 1: Write the proportion equation
282,955,942.98 : 390,475,201.59 = 159,196,324.86 : x - Step 2: Convert to fraction form
282,955,942.98/390,475,201.59 = 159,196,324.86/x - Step 3: Cross multiply
282,955,942.98x = 390,475,201.59 × 159,196,324.86 - Step 4: Simplify right side
282,955,942.98x = 62,162,217,042,095,632 - Step 5: Solve for x
x = 62,162,217,042,095,632/282,955,942.98 - Step 6: Final answer
x = 219,688,677.99
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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.