Finding the Fourth Proportional to 79,907,497.36, 110,272,723.32 and 45,101,654.80
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Solution
The fourth proportional to 79,907,497.36, 110,272,723.32 and 45,101,654.80 is: 62,240,496.39
Step by Step Solution
- Step 1: Write the proportion equation
79,907,497.36 : 110,272,723.32 = 45,101,654.80 : x - Step 2: Convert to fraction form
79,907,497.36/110,272,723.32 = 45,101,654.80/x - Step 3: Cross multiply
79,907,497.36x = 110,272,723.32 × 45,101,654.80 - Step 4: Simplify right side
79,907,497.36x = 4,973,482,301,034,549 - Step 5: Solve for x
x = 4,973,482,301,034,549/79,907,497.36 - Step 6: Final answer
x = 62,240,496.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.