Finding the Fourth Proportional to 98,198,258.99, 147,287,824.10 and 39,909,431.84
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Solution
The fourth proportional to 98,198,258.99, 147,287,824.10 and 39,909,431.84 is: 59,860,260.63
Step by Step Solution
- Step 1: Write the proportion equation
98,198,258.99 : 147,287,824.10 = 39,909,431.84 : x - Step 2: Convert to fraction form
98,198,258.99/147,287,824.10 = 39,909,431.84/x - Step 3: Cross multiply
98,198,258.99x = 147,287,824.10 × 39,909,431.84 - Step 4: Simplify right side
98,198,258.99x = 5,878,173,375,994,533 - Step 5: Solve for x
x = 5,878,173,375,994,533/98,198,258.99 - Step 6: Final answer
x = 59,860,260.63
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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.