Finding the Fourth Proportional to 75,960,918.34, 104,825,655.58 and 42,470,390.84
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Solution
The fourth proportional to 75,960,918.34, 104,825,655.58 and 42,470,390.84 is: 58,608,909.16
Step by Step Solution
- Step 1: Write the proportion equation
75,960,918.34 : 104,825,655.58 = 42,470,390.84 : x - Step 2: Convert to fraction form
75,960,918.34/104,825,655.58 = 42,470,390.84/x - Step 3: Cross multiply
75,960,918.34x = 104,825,655.58 × 42,470,390.84 - Step 4: Simplify right side
75,960,918.34x = 4,451,986,562,895,546 - Step 5: Solve for x
x = 4,451,986,562,895,546/75,960,918.34 - Step 6: Final answer
x = 58,608,909.16
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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.