Finding the Fourth Proportional to 165,391,545.05, 248,087,317.58 and 165,391,545.05
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Solution
The fourth proportional to 165,391,545.05, 248,087,317.58 and 165,391,545.05 is: 248,087,317.58
Step by Step Solution
- Step 1: Write the proportion equation
165,391,545.05 : 248,087,317.58 = 165,391,545.05 : x - Step 2: Convert to fraction form
165,391,545.05/248,087,317.58 = 165,391,545.05/x - Step 3: Cross multiply
165,391,545.05x = 248,087,317.58 × 165,391,545.05 - Step 4: Simplify right side
165,391,545.05x = 41,031,544,761,039,272 - Step 5: Solve for x
x = 41,031,544,761,039,272/165,391,545.05 - Step 6: Final answer
x = 248,087,317.58
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1.5x scale
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.