Finding the Fourth Proportional to 93,754,425.09, 129,368,837.12 and 54,063,421.80
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Solution
The fourth proportional to 93,754,425.09, 129,368,837.12 and 54,063,421.80 is: 74,600,446.88
Step by Step Solution
- Step 1: Write the proportion equation
93,754,425.09 : 129,368,837.12 = 54,063,421.80 : x - Step 2: Convert to fraction form
93,754,425.09/129,368,837.12 = 54,063,421.80/x - Step 3: Cross multiply
93,754,425.09x = 129,368,837.12 × 54,063,421.80 - Step 4: Simplify right side
93,754,425.09x = 6,994,122,008,723,739 - Step 5: Solve for x
x = 6,994,122,008,723,739/93,754,425.09 - Step 6: Final answer
x = 74,600,446.88
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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.