Finding the Fourth Proportional to 83,993,810.29, 115,845,748.23 and 54,634,518.10
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Solution
The fourth proportional to 83,993,810.29, 115,845,748.23 and 54,634,518.10 is: 75,352,893.35
Step by Step Solution
- Step 1: Write the proportion equation
83,993,810.29 : 115,845,748.23 = 54,634,518.10 : x - Step 2: Convert to fraction form
83,993,810.29/115,845,748.23 = 54,634,518.10/x - Step 3: Cross multiply
83,993,810.29x = 115,845,748.23 × 54,634,518.10 - Step 4: Simplify right side
83,993,810.29x = 6,329,176,628,479,978 - Step 5: Solve for x
x = 6,329,176,628,479,978/83,993,810.29 - Step 6: Final answer
x = 75,352,893.35
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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.