Finding the Fourth Proportional to 75,628,715.99, 104,415,901.31 and 61,723,291.58
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Solution
The fourth proportional to 75,628,715.99, 104,415,901.31 and 61,723,291.58 is: 85,217,539.90
Step by Step Solution
- Step 1: Write the proportion equation
75,628,715.99 : 104,415,901.31 = 61,723,291.58 : x - Step 2: Convert to fraction form
75,628,715.99/104,415,901.31 = 61,723,291.58/x - Step 3: Cross multiply
75,628,715.99x = 104,415,901.31 × 61,723,291.58 - Step 4: Simplify right side
75,628,715.99x = 6,444,893,122,145,634 - Step 5: Solve for x
x = 6,444,893,122,145,634/75,628,715.99 - Step 6: Final answer
x = 85,217,539.90
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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.