Finding the Fourth Proportional to 165,822,763.24, 228,834,135.12 and 91,486,456.84
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Solution
The fourth proportional to 165,822,763.24, 228,834,135.12 and 91,486,456.84 is: 126,250,605.27
Step by Step Solution
- Step 1: Write the proportion equation
165,822,763.24 : 228,834,135.12 = 91,486,456.84 : x - Step 2: Convert to fraction form
165,822,763.24/228,834,135.12 = 91,486,456.84/x - Step 3: Cross multiply
165,822,763.24x = 228,834,135.12 × 91,486,456.84 - Step 4: Simplify right side
165,822,763.24x = 20,935,224,226,174,608 - Step 5: Solve for x
x = 20,935,224,226,174,608/165,822,763.24 - Step 6: Final answer
x = 126,250,605.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.