Finding the Fourth Proportional to 171,964,713.80, 257,947,070.70 and 114,569,085.80
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Solution
The fourth proportional to 171,964,713.80, 257,947,070.70 and 114,569,085.80 is: 171,853,628.70
Step by Step Solution
- Step 1: Write the proportion equation
171,964,713.80 : 257,947,070.70 = 114,569,085.80 : x - Step 2: Convert to fraction form
171,964,713.80/257,947,070.70 = 114,569,085.80/x - Step 3: Cross multiply
171,964,713.80x = 257,947,070.70 × 114,569,085.80 - Step 4: Simplify right side
171,964,713.80x = 29,552,760,074,886,964 - Step 5: Solve for x
x = 29,552,760,074,886,964/171,964,713.80 - Step 6: Final answer
x = 171,853,628.70
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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.