Finding the Fourth Proportional to 75,764,647.12, 104,583,646.02 and 49,660,847.18
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Solution
The fourth proportional to 75,764,647.12, 104,583,646.02 and 49,660,847.18 is: 68,550,605.86
Step by Step Solution
- Step 1: Write the proportion equation
75,764,647.12 : 104,583,646.02 = 49,660,847.18 : x - Step 2: Convert to fraction form
75,764,647.12/104,583,646.02 = 49,660,847.18/x - Step 3: Cross multiply
75,764,647.12x = 104,583,646.02 × 49,660,847.18 - Step 4: Simplify right side
75,764,647.12x = 5,193,712,462,526,435 - Step 5: Solve for x
x = 5,193,712,462,526,435/75,764,647.12 - Step 6: Final answer
x = 68,550,605.86
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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.