Finding the Fourth Proportional to 75,882,309.21, 113,815,803.56 and 51,447,129.53
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Solution
The fourth proportional to 75,882,309.21, 113,815,803.56 and 51,447,129.53 is: 77,165,500.74
Step by Step Solution
- Step 1: Write the proportion equation
75,882,309.21 : 113,815,803.56 = 51,447,129.53 : x - Step 2: Convert to fraction form
75,882,309.21/113,815,803.56 = 51,447,129.53/x - Step 3: Cross multiply
75,882,309.21x = 113,815,803.56 × 51,447,129.53 - Step 4: Simplify right side
75,882,309.21x = 5,855,496,387,486,041 - Step 5: Solve for x
x = 5,855,496,387,486,041/75,882,309.21 - Step 6: Final answer
x = 77,165,500.74
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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.