Finding the Fourth Proportional to 86,865,036.28, 130,297,449.84 and 22,168,848.26
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Solution
The fourth proportional to 86,865,036.28, 130,297,449.84 and 22,168,848.26 is: 33,253,245.70
Step by Step Solution
- Step 1: Write the proportion equation
86,865,036.28 : 130,297,449.84 = 22,168,848.26 : x - Step 2: Convert to fraction form
86,865,036.28/130,297,449.84 = 22,168,848.26/x - Step 3: Cross multiply
86,865,036.28x = 130,297,449.84 × 22,168,848.26 - Step 4: Simplify right side
86,865,036.28x = 2,888,544,394,168,946 - Step 5: Solve for x
x = 2,888,544,394,168,946/86,865,036.28 - Step 6: Final answer
x = 33,253,245.70
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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.