Finding the Fourth Proportional to 81,943,237.58, 113,078,302.90 and 44,774,793.80
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Solution
The fourth proportional to 81,943,237.58, 113,078,302.90 and 44,774,793.80 is: 61,787,376.79
Step by Step Solution
- Step 1: Write the proportion equation
81,943,237.58 : 113,078,302.90 = 44,774,793.80 : x - Step 2: Convert to fraction form
81,943,237.58/113,078,302.90 = 44,774,793.80/x - Step 3: Cross multiply
81,943,237.58x = 113,078,302.90 × 44,774,793.80 - Step 4: Simplify right side
81,943,237.58x = 5,063,057,695,348,157 - Step 5: Solve for x
x = 5,063,057,695,348,157/81,943,237.58 - Step 6: Final answer
x = 61,787,376.79
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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.