Finding the Fourth Proportional to 89,697,553.20, 134,546,329.80 and 44,347,921.20
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Solution
The fourth proportional to 89,697,553.20, 134,546,329.80 and 44,347,921.20 is: 66,521,881.80
Step by Step Solution
- Step 1: Write the proportion equation
89,697,553.20 : 134,546,329.80 = 44,347,921.20 : x - Step 2: Convert to fraction form
89,697,553.20/134,546,329.80 = 44,347,921.20/x - Step 3: Cross multiply
89,697,553.20x = 134,546,329.80 × 44,347,921.20 - Step 4: Simplify right side
89,697,553.20x = 5,966,850,031,719,613 - Step 5: Solve for x
x = 5,966,850,031,719,613/89,697,553.20 - Step 6: Final answer
x = 66,521,881.80
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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.