Finding the Fourth Proportional to 47,478,694.80, 71,299,543.72 and 29,142,312.88
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Solution
The fourth proportional to 47,478,694.80, 71,299,543.72 and 29,142,312.88 is: 43,763,494.76
Step by Step Solution
- Step 1: Write the proportion equation
47,478,694.80 : 71,299,543.72 = 29,142,312.88 : x - Step 2: Convert to fraction form
47,478,694.80/71,299,543.72 = 29,142,312.88/x - Step 3: Cross multiply
47,478,694.80x = 71,299,543.72 × 29,142,312.88 - Step 4: Simplify right side
47,478,694.80x = 2,077,833,611,289,479 - Step 5: Solve for x
x = 2,077,833,611,289,479/47,478,694.80 - Step 6: Final answer
x = 43,763,494.76
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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.