Finding the Fourth Proportional to 81,823,735.12, 112,919,148.40 and 44,656,399.28
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Solution
The fourth proportional to 81,823,735.12, 112,919,148.40 and 44,656,399.28 is: 61,627,137.53
Step by Step Solution
- Step 1: Write the proportion equation
81,823,735.12 : 112,919,148.40 = 44,656,399.28 : x - Step 2: Convert to fraction form
81,823,735.12/112,919,148.40 = 44,656,399.28/x - Step 3: Cross multiply
81,823,735.12x = 112,919,148.40 × 44,656,399.28 - Step 4: Simplify right side
81,823,735.12x = 5,042,562,577,307,974 - Step 5: Solve for x
x = 5,042,562,577,307,974/81,823,735.12 - Step 6: Final answer
x = 61,627,137.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.