Finding the Fourth Proportional to 282,955,944.96, 390,475,204.38 and 159,196,326.84
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Solution
The fourth proportional to 282,955,944.96, 390,475,204.38 and 159,196,326.84 is: 219,688,680.75
Step by Step Solution
- Step 1: Write the proportion equation
282,955,944.96 : 390,475,204.38 = 159,196,326.84 : x - Step 2: Convert to fraction form
282,955,944.96/390,475,204.38 = 159,196,326.84/x - Step 3: Cross multiply
282,955,944.96x = 390,475,204.38 × 159,196,326.84 - Step 4: Simplify right side
282,955,944.96x = 62,162,218,259,394,280 - Step 5: Solve for x
x = 62,162,218,259,394,280/282,955,944.96 - Step 6: Final answer
x = 219,688,680.75
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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.