Finding the Fourth Proportional to 79,915,608.74, 110,283,540.45 and 43,246,180.10
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Solution
The fourth proportional to 79,915,608.74, 110,283,540.45 and 43,246,180.10 is: 59,679,728.75
Step by Step Solution
- Step 1: Write the proportion equation
79,915,608.74 : 110,283,540.45 = 43,246,180.10 : x - Step 2: Convert to fraction form
79,915,608.74/110,283,540.45 = 43,246,180.10/x - Step 3: Cross multiply
79,915,608.74x = 110,283,540.45 × 43,246,180.10 - Step 4: Simplify right side
79,915,608.74x = 4,769,341,852,366,335 - Step 5: Solve for x
x = 4,769,341,852,366,335/79,915,608.74 - Step 6: Final answer
x = 59,679,728.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.