Finding the Fourth Proportional to 81,449,676.36, 112,397,681.70 and 44,779,965.48
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Solution
The fourth proportional to 81,449,676.36, 112,397,681.70 and 44,779,965.48 is: 61,794,773.55
Step by Step Solution
- Step 1: Write the proportion equation
81,449,676.36 : 112,397,681.70 = 44,779,965.48 : x - Step 2: Convert to fraction form
81,449,676.36/112,397,681.70 = 44,779,965.48/x - Step 3: Cross multiply
81,449,676.36x = 112,397,681.70 × 44,779,965.48 - Step 4: Simplify right side
81,449,676.36x = 5,033,164,306,558,027 - Step 5: Solve for x
x = 5,033,164,306,558,027/81,449,676.36 - Step 6: Final answer
x = 61,794,773.55
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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.