Finding the Fourth Proportional to 53,159,891.68, 73,360,648.38 and 28,713,605.68
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Solution
The fourth proportional to 53,159,891.68, 73,360,648.38 and 28,713,605.68 is: 39,624,774.68
Step by Step Solution
- Step 1: Write the proportion equation
53,159,891.68 : 73,360,648.38 = 28,713,605.68 : x - Step 2: Convert to fraction form
53,159,891.68/73,360,648.38 = 28,713,605.68/x - Step 3: Cross multiply
53,159,891.68x = 73,360,648.38 × 28,713,605.68 - Step 4: Simplify right side
53,159,891.68x = 2,106,448,730,012,450.75 - Step 5: Solve for x
x = 2,106,448,730,012,450.75/53,159,891.68 - Step 6: Final answer
x = 39,624,774.68
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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.