Finding the Fourth Proportional to 75,489,493.12, 113,267,029.12 and 40,970,282.56
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Solution
The fourth proportional to 75,489,493.12, 113,267,029.12 and 40,970,282.56 is: 61,473,219.60
Step by Step Solution
- Step 1: Write the proportion equation
75,489,493.12 : 113,267,029.12 = 40,970,282.56 : x - Step 2: Convert to fraction form
75,489,493.12/113,267,029.12 = 40,970,282.56/x - Step 3: Cross multiply
75,489,493.12x = 113,267,029.12 × 40,970,282.56 - Step 4: Simplify right side
75,489,493.12x = 4,640,582,187,778,149 - Step 5: Solve for x
x = 4,640,582,187,778,149/75,489,493.12 - Step 6: Final answer
x = 61,473,219.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.