Finding the Fourth Proportional to 73,491,699.48, 101,414,686.14 and 40,445,632.68
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Solution
The fourth proportional to 73,491,699.48, 101,414,686.14 and 40,445,632.68 is: 55,812,849.25
Step by Step Solution
- Step 1: Write the proportion equation
73,491,699.48 : 101,414,686.14 = 40,445,632.68 : x - Step 2: Convert to fraction form
73,491,699.48/101,414,686.14 = 40,445,632.68/x - Step 3: Cross multiply
73,491,699.48x = 101,414,686.14 × 40,445,632.68 - Step 4: Simplify right side
73,491,699.48x = 4,101,781,143,975,927 - Step 5: Solve for x
x = 4,101,781,143,975,927/73,491,699.48 - Step 6: Final answer
x = 55,812,849.25
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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.