Finding the Fourth Proportional to 112,019,934.70, 168,029,902.05 and 98,583,006.70
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Solution
The fourth proportional to 112,019,934.70, 168,029,902.05 and 98,583,006.70 is: 147,874,510.05
Step by Step Solution
- Step 1: Write the proportion equation
112,019,934.70 : 168,029,902.05 = 98,583,006.70 : x - Step 2: Convert to fraction form
112,019,934.70/168,029,902.05 = 98,583,006.70/x - Step 3: Cross multiply
112,019,934.70x = 168,029,902.05 × 98,583,006.70 - Step 4: Simplify right side
112,019,934.70x = 16,564,892,959,595,496 - Step 5: Solve for x
x = 16,564,892,959,595,496/112,019,934.70 - Step 6: Final answer
x = 147,874,510.05
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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.