Finding the Fourth Proportional to 168,805,987.20, 253,173,550.92 and 47,609,095.68
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Solution
The fourth proportional to 168,805,987.20, 253,173,550.92 and 47,609,095.68 is: 71,403,651.07
Step by Step Solution
- Step 1: Write the proportion equation
168,805,987.20 : 253,173,550.92 = 47,609,095.68 : x - Step 2: Convert to fraction form
168,805,987.20/253,173,550.92 = 47,609,095.68/x - Step 3: Cross multiply
168,805,987.20x = 253,173,550.92 × 47,609,095.68 - Step 4: Simplify right side
168,805,987.20x = 12,053,363,809,395,632 - Step 5: Solve for x
x = 12,053,363,809,395,632/168,805,987.20 - Step 6: Final answer
x = 71,403,651.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.