Finding the Fourth Proportional to 89,894,471.80, 134,841,707.70 and 38,876,135.80
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Solution
The fourth proportional to 89,894,471.80, 134,841,707.70 and 38,876,135.80 is: 58,314,203.70
Step by Step Solution
- Step 1: Write the proportion equation
89,894,471.80 : 134,841,707.70 = 38,876,135.80 : x - Step 2: Convert to fraction form
89,894,471.80/134,841,707.70 = 38,876,135.80/x - Step 3: Cross multiply
89,894,471.80x = 134,841,707.70 × 38,876,135.80 - Step 4: Simplify right side
89,894,471.80x = 5,242,124,540,049,105 - Step 5: Solve for x
x = 5,242,124,540,049,105/89,894,471.80 - Step 6: Final answer
x = 58,314,203.70
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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.