Finding the Fourth Proportional to 53,111,555.99, 73,292,228.44 and 30,483,653.19
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Solution
The fourth proportional to 53,111,555.99, 73,292,228.44 and 30,483,653.19 is: 42,066,454.87
Step by Step Solution
- Step 1: Write the proportion equation
53,111,555.99 : 73,292,228.44 = 30,483,653.19 : x - Step 2: Convert to fraction form
53,111,555.99/73,292,228.44 = 30,483,653.19/x - Step 3: Cross multiply
53,111,555.99x = 73,292,228.44 × 30,483,653.19 - Step 4: Simplify right side
53,111,555.99x = 2,234,214,873,287,214.75 - Step 5: Solve for x
x = 2,234,214,873,287,214.75/53,111,555.99 - Step 6: Final answer
x = 42,066,454.87
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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.