Finding the Fourth Proportional to 128,495,202.24, 192,745,288.80 and 31,451,741.76
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Solution
The fourth proportional to 128,495,202.24, 192,745,288.80 and 31,451,741.76 is: 47,178,221.00
Step by Step Solution
- Step 1: Write the proportion equation
128,495,202.24 : 192,745,288.80 = 31,451,741.76 : x - Step 2: Convert to fraction form
128,495,202.24/192,745,288.80 = 31,451,741.76/x - Step 3: Cross multiply
128,495,202.24x = 192,745,288.80 × 31,451,741.76 - Step 4: Simplify right side
128,495,202.24x = 6,062,175,048,794,221 - Step 5: Solve for x
x = 6,062,175,048,794,221/128,495,202.24 - Step 6: Final answer
x = 47,178,221.00
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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.