Finding the Fourth Proportional to 137,603,459.13, 189,892,804.44 and 75,723,797.62
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Solution
The fourth proportional to 137,603,459.13, 189,892,804.44 and 75,723,797.62 is: 104,498,857.69
Step by Step Solution
- Step 1: Write the proportion equation
137,603,459.13 : 189,892,804.44 = 75,723,797.62 : x - Step 2: Convert to fraction form
137,603,459.13/189,892,804.44 = 75,723,797.62/x - Step 3: Cross multiply
137,603,459.13x = 189,892,804.44 × 75,723,797.62 - Step 4: Simplify right side
137,603,459.13x = 14,379,404,292,908,798 - Step 5: Solve for x
x = 14,379,404,292,908,798/137,603,459.13 - Step 6: Final answer
x = 104,498,857.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.