Finding the Fourth Proportional to 55,146,215.80, 82,719,323.70 and 14,756,699.80
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Solution
The fourth proportional to 55,146,215.80, 82,719,323.70 and 14,756,699.80 is: 22,135,049.70
Step by Step Solution
- Step 1: Write the proportion equation
55,146,215.80 : 82,719,323.70 = 14,756,699.80 : x - Step 2: Convert to fraction form
55,146,215.80/82,719,323.70 = 14,756,699.80/x - Step 3: Cross multiply
55,146,215.80x = 82,719,323.70 × 14,756,699.80 - Step 4: Simplify right side
55,146,215.80x = 1,220,664,227,499,925.25 - Step 5: Solve for x
x = 1,220,664,227,499,925.25/55,146,215.80 - Step 6: Final answer
x = 22,135,049.70
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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.