Finding the Fourth Proportional to 207,728,150.49, 286,639,873.08 and 119,650,793.31
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Solution
The fourth proportional to 207,728,150.49, 286,639,873.08 and 119,650,793.31 is: 165,103,709.48
Step by Step Solution
- Step 1: Write the proportion equation
207,728,150.49 : 286,639,873.08 = 119,650,793.31 : x - Step 2: Convert to fraction form
207,728,150.49/286,639,873.08 = 119,650,793.31/x - Step 3: Cross multiply
207,728,150.49x = 286,639,873.08 × 119,650,793.31 - Step 4: Simplify right side
207,728,150.49x = 34,296,688,208,299,712 - Step 5: Solve for x
x = 34,296,688,208,299,712/207,728,150.49 - Step 6: Final answer
x = 165,103,709.48
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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.