Finding the Fourth Proportional to 256,634,802.32, 384,798,473.16 and 81,682,266.08
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Solution
The fourth proportional to 256,634,802.32, 384,798,473.16 and 81,682,266.08 is: 122,474,469.51
Step by Step Solution
- Step 1: Write the proportion equation
256,634,802.32 : 384,798,473.16 = 81,682,266.08 : x - Step 2: Convert to fraction form
256,634,802.32/384,798,473.16 = 81,682,266.08/x - Step 3: Cross multiply
256,634,802.32x = 384,798,473.16 × 81,682,266.08 - Step 4: Simplify right side
256,634,802.32x = 31,431,211,271,832,860 - Step 5: Solve for x
x = 31,431,211,271,832,860/256,634,802.32 - Step 6: Final answer
x = 122,474,469.51
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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.