Finding the Fourth Proportional to 168,021,281.80, 252,068,939.04 and 51,437,519.59
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Solution
The fourth proportional to 168,021,281.80, 252,068,939.04 and 51,437,519.59 is: 77,167,611.45
Step by Step Solution
- Step 1: Write the proportion equation
168,021,281.80 : 252,068,939.04 = 51,437,519.59 : x - Step 2: Convert to fraction form
168,021,281.80/252,068,939.04 = 51,437,519.59/x - Step 3: Cross multiply
168,021,281.80x = 252,068,939.04 × 51,437,519.59 - Step 4: Simplify right side
168,021,281.80x = 12,965,800,989,502,244 - Step 5: Solve for x
x = 12,965,800,989,502,244/168,021,281.80 - Step 6: Final answer
x = 77,167,611.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.