Finding the Fourth Proportional to 288,493,704.96, 432,745,300.48 and 81,237,100.80
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Solution
The fourth proportional to 288,493,704.96, 432,745,300.48 and 81,237,100.80 is: 121,856,986.80
Step by Step Solution
- Step 1: Write the proportion equation
288,493,704.96 : 432,745,300.48 = 81,237,100.80 : x - Step 2: Convert to fraction form
288,493,704.96/432,745,300.48 = 81,237,100.80/x - Step 3: Cross multiply
288,493,704.96x = 432,745,300.48 × 81,237,100.80 - Step 4: Simplify right side
288,493,704.96x = 35,154,973,595,820,048 - Step 5: Solve for x
x = 35,154,973,595,820,048/288,493,704.96 - Step 6: Final answer
x = 121,856,986.80
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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.