Finding the Fourth Proportional to 138,411,739.25, 190,918,199.48 and 88,773,489.10
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Solution
The fourth proportional to 138,411,739.25, 190,918,199.48 and 88,773,489.10 is: 122,449,690.99
Step by Step Solution
- Step 1: Write the proportion equation
138,411,739.25 : 190,918,199.48 = 88,773,489.10 : x - Step 2: Convert to fraction form
138,411,739.25/190,918,199.48 = 88,773,489.10/x - Step 3: Cross multiply
138,411,739.25x = 190,918,199.48 × 88,773,489.10 - Step 4: Simplify right side
138,411,739.25x = 16,948,474,701,074,320 - Step 5: Solve for x
x = 16,948,474,701,074,320/138,411,739.25 - Step 6: Final answer
x = 122,449,690.99
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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.