Finding the Fourth Proportional to 110,828,070.06, 166,269,194.82 and 78,102,480.12
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Solution
The fourth proportional to 110,828,070.06, 166,269,194.82 and 78,102,480.12 is: 117,172,810.79
Step by Step Solution
- Step 1: Write the proportion equation
110,828,070.06 : 166,269,194.82 = 78,102,480.12 : x - Step 2: Convert to fraction form
110,828,070.06/166,269,194.82 = 78,102,480.12/x - Step 3: Cross multiply
110,828,070.06x = 166,269,194.82 × 78,102,480.12 - Step 4: Simplify right side
110,828,070.06x = 12,986,036,482,997,458 - Step 5: Solve for x
x = 12,986,036,482,997,458/110,828,070.06 - Step 6: Final answer
x = 117,172,810.79
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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.