Finding the Fourth Proportional to 168,160,503.60, 252,119,697.12 and 103,330,365.12
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Solution
The fourth proportional to 168,160,503.60, 252,119,697.12 and 103,330,365.12 is: 154,921,160.44
Step by Step Solution
- Step 1: Write the proportion equation
168,160,503.60 : 252,119,697.12 = 103,330,365.12 : x - Step 2: Convert to fraction form
168,160,503.60/252,119,697.12 = 103,330,365.12/x - Step 3: Cross multiply
168,160,503.60x = 252,119,697.12 × 103,330,365.12 - Step 4: Simplify right side
168,160,503.60x = 26,051,620,357,353,416 - Step 5: Solve for x
x = 26,051,620,357,353,416/168,160,503.60 - Step 6: Final answer
x = 154,921,160.44
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1.5x scale
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.