Finding the Fourth Proportional to 163,928,781.71, 245,823,179.60 and 94,889,239.79
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Solution
The fourth proportional to 163,928,781.71, 245,823,179.60 and 94,889,239.79 is: 142,293,344.65
Step by Step Solution
- Step 1: Write the proportion equation
163,928,781.71 : 245,823,179.60 = 94,889,239.79 : x - Step 2: Convert to fraction form
163,928,781.71/245,823,179.60 = 94,889,239.79/x - Step 3: Cross multiply
163,928,781.71x = 245,823,179.60 × 94,889,239.79 - Step 4: Simplify right side
163,928,781.71x = 23,325,974,633,301,072 - Step 5: Solve for x
x = 23,325,974,633,301,072/163,928,781.71 - Step 6: Final answer
x = 142,293,344.65
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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.