Finding the Fourth Proportional to 145,221,102.70, 217,877,702.68 and 51,846,070.92
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Solution
The fourth proportional to 145,221,102.70, 217,877,702.68 and 51,846,070.92 is: 77,785,546.42
Step by Step Solution
- Step 1: Write the proportion equation
145,221,102.70 : 217,877,702.68 = 51,846,070.92 : x - Step 2: Convert to fraction form
145,221,102.70/217,877,702.68 = 51,846,070.92/x - Step 3: Cross multiply
145,221,102.70x = 217,877,702.68 × 51,846,070.92 - Step 4: Simplify right side
145,221,102.70x = 11,296,102,825,033,954 - Step 5: Solve for x
x = 11,296,102,825,033,954/145,221,102.70 - Step 6: Final answer
x = 77,785,546.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.