Finding the Fourth Proportional to 53,724,752.68, 74,139,449.50 and 29,882,219.08
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Solution
The fourth proportional to 53,724,752.68, 74,139,449.50 and 29,882,219.08 is: 41,237,067.87
Step by Step Solution
- Step 1: Write the proportion equation
53,724,752.68 : 74,139,449.50 = 29,882,219.08 : x - Step 2: Convert to fraction form
53,724,752.68/74,139,449.50 = 29,882,219.08/x - Step 3: Cross multiply
53,724,752.68x = 74,139,449.50 × 29,882,219.08 - Step 4: Simplify right side
53,724,752.68x = 2,215,451,272,429,596.25 - Step 5: Solve for x
x = 2,215,451,272,429,596.25/53,724,752.68 - Step 6: Final answer
x = 41,237,067.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.