Finding the Fourth Proportional to 75,606,320.64, 113,470,017.12 and 39,225,138.24
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Solution
The fourth proportional to 75,606,320.64, 113,470,017.12 and 39,225,138.24 is: 58,869,113.98
Step by Step Solution
- Step 1: Write the proportion equation
75,606,320.64 : 113,470,017.12 = 39,225,138.24 : x - Step 2: Convert to fraction form
75,606,320.64/113,470,017.12 = 39,225,138.24/x - Step 3: Cross multiply
75,606,320.64x = 113,470,017.12 × 39,225,138.24 - Step 4: Simplify right side
75,606,320.64x = 4,450,877,107,627,167 - Step 5: Solve for x
x = 4,450,877,107,627,167/75,606,320.64 - Step 6: Final answer
x = 58,869,113.98
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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.