Finding the Fourth Proportional to 79,915,648.36, 110,283,594.96 and 43,246,219.36
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Solution
The fourth proportional to 79,915,648.36, 110,283,594.96 and 43,246,219.36 is: 59,679,782.84
Step by Step Solution
- Step 1: Write the proportion equation
79,915,648.36 : 110,283,594.96 = 43,246,219.36 : x - Step 2: Convert to fraction form
79,915,648.36/110,283,594.96 = 43,246,219.36/x - Step 3: Cross multiply
79,915,648.36x = 110,283,594.96 × 43,246,219.36 - Step 4: Simplify right side
79,915,648.36x = 4,769,348,539,449,550 - Step 5: Solve for x
x = 4,769,348,539,449,550/79,915,648.36 - Step 6: Final answer
x = 59,679,782.84
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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.