Finding the Fourth Proportional to 85,746,001.85, 128,553,917.65 and 44,202,110.70
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Solution
The fourth proportional to 85,746,001.85, 128,553,917.65 and 44,202,110.70 is: 66,269,614.63
Step by Step Solution
- Step 1: Write the proportion equation
85,746,001.85 : 128,553,917.65 = 44,202,110.70 : x - Step 2: Convert to fraction form
85,746,001.85/128,553,917.65 = 44,202,110.70/x - Step 3: Cross multiply
85,746,001.85x = 128,553,917.65 × 44,202,110.70 - Step 4: Simplify right side
85,746,001.85x = 5,682,354,498,662,974 - Step 5: Solve for x
x = 5,682,354,498,662,974/85,746,001.85 - Step 6: Final answer
x = 66,269,614.63
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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.