Finding the Fourth Proportional to 171,821,315.84, 257,756,184.66 and 55,197,566.06
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Solution
The fourth proportional to 171,821,315.84, 257,756,184.66 and 55,197,566.06 is: 82,804,126.83
Step by Step Solution
- Step 1: Write the proportion equation
171,821,315.84 : 257,756,184.66 = 55,197,566.06 : x - Step 2: Convert to fraction form
171,821,315.84/257,756,184.66 = 55,197,566.06/x - Step 3: Cross multiply
171,821,315.84x = 257,756,184.66 × 55,197,566.06 - Step 4: Simplify right side
171,821,315.84x = 14,227,514,028,855,128 - Step 5: Solve for x
x = 14,227,514,028,855,128/171,821,315.84 - Step 6: Final answer
x = 82,804,126.83
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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.