Finding the Fourth Proportional to 170,634,154.97, 256,024,968.18 and 91,758,471.72
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Solution
The fourth proportional to 170,634,154.97, 256,024,968.18 and 91,758,471.72 is: 137,677,358.95
Step by Step Solution
- Step 1: Write the proportion equation
170,634,154.97 : 256,024,968.18 = 91,758,471.72 : x - Step 2: Convert to fraction form
170,634,154.97/256,024,968.18 = 91,758,471.72/x - Step 3: Cross multiply
170,634,154.97x = 256,024,968.18 × 91,758,471.72 - Step 4: Simplify right side
170,634,154.97x = 23,492,459,802,358,432 - Step 5: Solve for x
x = 23,492,459,802,358,432/170,634,154.97 - Step 6: Final answer
x = 137,677,358.95
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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.