Finding the Fourth Proportional to 317,823,771.48, 476,478,504.90 and 99,361,717.08
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Solution
The fourth proportional to 317,823,771.48, 476,478,504.90 and 99,361,717.08 is: 148,962,181.71
Step by Step Solution
- Step 1: Write the proportion equation
317,823,771.48 : 476,478,504.90 = 99,361,717.08 : x - Step 2: Convert to fraction form
317,823,771.48/476,478,504.90 = 99,361,717.08/x - Step 3: Cross multiply
317,823,771.48x = 476,478,504.90 × 99,361,717.08 - Step 4: Simplify right side
317,823,771.48x = 47,343,722,398,575,192 - Step 5: Solve for x
x = 47,343,722,398,575,192/317,823,771.48 - Step 6: Final answer
x = 148,962,181.71
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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.