Finding the Fourth Proportional to 98,422,782.68, 147,633,636.98 and 40,130,231.96
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Solution
The fourth proportional to 98,422,782.68, 147,633,636.98 and 40,130,231.96 is: 60,195,128.97
Step by Step Solution
- Step 1: Write the proportion equation
98,422,782.68 : 147,633,636.98 = 40,130,231.96 : x - Step 2: Convert to fraction form
98,422,782.68/147,633,636.98 = 40,130,231.96/x - Step 3: Cross multiply
98,422,782.68x = 147,633,636.98 × 40,130,231.96 - Step 4: Simplify right side
98,422,782.68x = 5,924,572,096,467,990 - Step 5: Solve for x
x = 5,924,572,096,467,990/98,422,782.68 - Step 6: Final answer
x = 60,195,128.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.