Finding the Fourth Proportional to 112,072,363.80, 168,108,545.70 and 107,767,691.70
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Solution
The fourth proportional to 112,072,363.80, 168,108,545.70 and 107,767,691.70 is: 161,651,537.55
Step by Step Solution
- Step 1: Write the proportion equation
112,072,363.80 : 168,108,545.70 = 107,767,691.70 : x - Step 2: Convert to fraction form
112,072,363.80/168,108,545.70 = 107,767,691.70/x - Step 3: Cross multiply
112,072,363.80x = 168,108,545.70 × 107,767,691.70 - Step 4: Simplify right side
112,072,363.80x = 18,116,669,925,132,960 - Step 5: Solve for x
x = 18,116,669,925,132,960/112,072,363.80 - Step 6: Final answer
x = 161,651,537.55
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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.