Finding the Fourth Proportional to 73,512,848.20, 110,269,272.30 and 53,105,513.80
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Solution
The fourth proportional to 73,512,848.20, 110,269,272.30 and 53,105,513.80 is: 79,658,270.70
Step by Step Solution
- Step 1: Write the proportion equation
73,512,848.20 : 110,269,272.30 = 53,105,513.80 : x - Step 2: Convert to fraction form
73,512,848.20/110,269,272.30 = 53,105,513.80/x - Step 3: Cross multiply
73,512,848.20x = 110,269,272.30 × 53,105,513.80 - Step 4: Simplify right side
73,512,848.20x = 5,855,906,361,843,607 - Step 5: Solve for x
x = 5,855,906,361,843,607/73,512,848.20 - Step 6: Final answer
x = 79,658,270.70
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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.