Finding the Fourth Proportional to 81,686,895.99, 122,556,246.30 and 29,163,440.58
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Solution
The fourth proportional to 81,686,895.99, 122,556,246.30 and 29,163,440.58 is: 43,754,408.38
Step by Step Solution
- Step 1: Write the proportion equation
81,686,895.99 : 122,556,246.30 = 29,163,440.58 : x - Step 2: Convert to fraction form
81,686,895.99/122,556,246.30 = 29,163,440.58/x - Step 3: Cross multiply
81,686,895.99x = 122,556,246.30 × 29,163,440.58 - Step 4: Simplify right side
81,686,895.99x = 3,574,161,806,677,894.50 - Step 5: Solve for x
x = 3,574,161,806,677,894.50/81,686,895.99 - Step 6: Final answer
x = 43,754,408.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.