Finding the Fourth Proportional to 87,808,732.56, 121,175,956.26 and 48,117,231.18
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Solution
The fourth proportional to 87,808,732.56, 121,175,956.26 and 48,117,231.18 is: 66,401,727.15
Step by Step Solution
- Step 1: Write the proportion equation
87,808,732.56 : 121,175,956.26 = 48,117,231.18 : x - Step 2: Convert to fraction form
87,808,732.56/121,175,956.26 = 48,117,231.18/x - Step 3: Cross multiply
87,808,732.56x = 121,175,956.26 × 48,117,231.18 - Step 4: Simplify right side
87,808,732.56x = 5,830,651,500,819,988 - Step 5: Solve for x
x = 5,830,651,500,819,988/87,808,732.56 - Step 6: Final answer
x = 66,401,727.15
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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.