Finding the Fourth Proportional to 168,106,308.26, 251,922,426.19 and 79,380,209.30
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Solution
The fourth proportional to 168,106,308.26, 251,922,426.19 and 79,380,209.30 is: 118,958,384.87
Step by Step Solution
- Step 1: Write the proportion equation
168,106,308.26 : 251,922,426.19 = 79,380,209.30 : x - Step 2: Convert to fraction form
168,106,308.26/251,922,426.19 = 79,380,209.30/x - Step 3: Cross multiply
168,106,308.26x = 251,922,426.19 × 79,380,209.30 - Step 4: Simplify right side
168,106,308.26x = 19,997,654,916,867,940 - Step 5: Solve for x
x = 19,997,654,916,867,940/168,106,308.26 - Step 6: Final answer
x = 118,958,384.87
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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.