Finding the Fourth Proportional to 154,977,861, 213,850,814.76 and 88,894,944.12
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Solution
The fourth proportional to 154,977,861, 213,850,814.76 and 88,894,944.12 is: 122,664,334.80
Step by Step Solution
- Step 1: Write the proportion equation
154,977,861 : 213,850,814.76 = 88,894,944.12 : x - Step 2: Convert to fraction form
154,977,861/213,850,814.76 = 88,894,944.12/x - Step 3: Cross multiply
154,977,861x = 213,850,814.76 × 88,894,944.12 - Step 4: Simplify right side
154,977,861x = 19,010,256,228,106,672 - Step 5: Solve for x
x = 19,010,256,228,106,672/154,977,861 - Step 6: Final answer
x = 122,664,334.80
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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.