Finding the Fourth Proportional to 86,851,330.62, 130,281,185.67 and 28,557,717.99
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Solution
The fourth proportional to 86,851,330.62, 130,281,185.67 and 28,557,717.99 is: 42,837,954.61
Step by Step Solution
- Step 1: Write the proportion equation
86,851,330.62 : 130,281,185.67 = 28,557,717.99 : x - Step 2: Convert to fraction form
86,851,330.62/130,281,185.67 = 28,557,717.99/x - Step 3: Cross multiply
86,851,330.62x = 130,281,185.67 × 28,557,717.99 - Step 4: Simplify right side
86,851,330.62x = 3,720,533,359,115,283 - Step 5: Solve for x
x = 3,720,533,359,115,283/86,851,330.62 - Step 6: Final answer
x = 42,837,954.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.