Finding the Fourth Proportional to 168,151,305.60, 252,226,958.40 and 141,366,679.20
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Solution
The fourth proportional to 168,151,305.60, 252,226,958.40 and 141,366,679.20 is: 212,050,018.80
Step by Step Solution
- Step 1: Write the proportion equation
168,151,305.60 : 252,226,958.40 = 141,366,679.20 : x - Step 2: Convert to fraction form
168,151,305.60/252,226,958.40 = 141,366,679.20/x - Step 3: Cross multiply
168,151,305.60x = 252,226,958.40 × 141,366,679.20 - Step 4: Simplify right side
168,151,305.60x = 35,656,487,513,724,544 - Step 5: Solve for x
x = 35,656,487,513,724,544/168,151,305.60 - Step 6: Final answer
x = 212,050,018.80
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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.