Finding the Fourth Proportional to 192,547,219.67, 288,832,911.12 and 54,383,645.06
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Solution
The fourth proportional to 192,547,219.67, 288,832,911.12 and 54,383,645.06 is: 81,578,879.95
Step by Step Solution
- Step 1: Write the proportion equation
192,547,219.67 : 288,832,911.12 = 54,383,645.06 : x - Step 2: Convert to fraction form
192,547,219.67/288,832,911.12 = 54,383,645.06/x - Step 3: Cross multiply
192,547,219.67x = 288,832,911.12 × 54,383,645.06 - Step 4: Simplify right side
192,547,219.67x = 15,707,786,518,552,442 - Step 5: Solve for x
x = 15,707,786,518,552,442/192,547,219.67 - Step 6: Final answer
x = 81,578,879.95
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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.