Finding the Fourth Proportional to 208,751,793.68, 313,003,642.80 and 79,368,873.68
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Solution
The fourth proportional to 208,751,793.68, 313,003,642.80 and 79,368,873.68 is: 119,006,146.72
Step by Step Solution
- Step 1: Write the proportion equation
208,751,793.68 : 313,003,642.80 = 79,368,873.68 : x - Step 2: Convert to fraction form
208,751,793.68/313,003,642.80 = 79,368,873.68/x - Step 3: Cross multiply
208,751,793.68x = 313,003,642.80 × 79,368,873.68 - Step 4: Simplify right side
208,751,793.68x = 24,842,746,586,773,044 - Step 5: Solve for x
x = 24,842,746,586,773,044/208,751,793.68 - Step 6: Final answer
x = 119,006,146.72
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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.