Finding the Fourth Proportional to 144,696,305.08, 199,682,716.98 and 78,617,906.65
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Solution
The fourth proportional to 144,696,305.08, 199,682,716.98 and 78,617,906.65 is: 108,493,697.85
Step by Step Solution
- Step 1: Write the proportion equation
144,696,305.08 : 199,682,716.98 = 78,617,906.65 : x - Step 2: Convert to fraction form
144,696,305.08/199,682,716.98 = 78,617,906.65/x - Step 3: Cross multiply
144,696,305.08x = 199,682,716.98 × 78,617,906.65 - Step 4: Simplify right side
144,696,305.08x = 15,698,637,203,152,010 - Step 5: Solve for x
x = 15,698,637,203,152,010/144,696,305.08 - Step 6: Final answer
x = 108,493,697.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.