Finding the Fourth Proportional to 138,808,235.61, 206,971,371.11 and 134,994,565.19
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Solution
The fourth proportional to 138,808,235.61, 206,971,371.11 and 134,994,565.19 is: 201,284,960.69
Step by Step Solution
- Step 1: Write the proportion equation
138,808,235.61 : 206,971,371.11 = 134,994,565.19 : x - Step 2: Convert to fraction form
138,808,235.61/206,971,371.11 = 134,994,565.19/x - Step 3: Cross multiply
138,808,235.61x = 206,971,371.11 × 134,994,565.19 - Step 4: Simplify right side
138,808,235.61x = 27,940,010,248,062,748 - Step 5: Solve for x
x = 27,940,010,248,062,748/138,808,235.61 - Step 6: Final answer
x = 201,284,960.69
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.