Finding the Fourth Proportional to 239,454,637.92, 330,384,864.65 and 140,282,073.09
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Solution
The fourth proportional to 239,454,637.92, 330,384,864.65 and 140,282,073.09 is: 193,552,624.97
Step by Step Solution
- Step 1: Write the proportion equation
239,454,637.92 : 330,384,864.65 = 140,282,073.09 : x - Step 2: Convert to fraction form
239,454,637.92/330,384,864.65 = 140,282,073.09/x - Step 3: Cross multiply
239,454,637.92x = 330,384,864.65 × 140,282,073.09 - Step 4: Simplify right side
239,454,637.92x = 46,347,073,729,959,648 - Step 5: Solve for x
x = 46,347,073,729,959,648/239,454,637.92 - Step 6: Final answer
x = 193,552,624.97
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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.