Finding the Fourth Proportional to 159,823,569.28, 239,735,470.56 and 38,655,137.92
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Solution
The fourth proportional to 159,823,569.28, 239,735,470.56 and 38,655,137.92 is: 57,982,735.09
Step by Step Solution
- Step 1: Write the proportion equation
159,823,569.28 : 239,735,470.56 = 38,655,137.92 : x - Step 2: Convert to fraction form
159,823,569.28/239,735,470.56 = 38,655,137.92/x - Step 3: Cross multiply
159,823,569.28x = 239,735,470.56 × 38,655,137.92 - Step 4: Simplify right side
159,823,569.28x = 9,267,007,678,812,900 - Step 5: Solve for x
x = 9,267,007,678,812,900/159,823,569.28 - Step 6: Final answer
x = 57,982,735.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.