Finding the Fourth Proportional to 157,465,385.10, 236,198,077.65 and 48,307,403.70
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Solution
The fourth proportional to 157,465,385.10, 236,198,077.65 and 48,307,403.70 is: 72,461,105.55
Step by Step Solution
- Step 1: Write the proportion equation
157,465,385.10 : 236,198,077.65 = 48,307,403.70 : x - Step 2: Convert to fraction form
157,465,385.10/236,198,077.65 = 48,307,403.70/x - Step 3: Cross multiply
157,465,385.10x = 236,198,077.65 × 48,307,403.70 - Step 4: Simplify right side
157,465,385.10x = 11,410,115,890,202,498 - Step 5: Solve for x
x = 11,410,115,890,202,498/157,465,385.10 - Step 6: Final answer
x = 72,461,105.55
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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.