Finding the Fourth Proportional to 159,488,366.25, 220,094,033.99 and 86,149,508.97
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Solution
The fourth proportional to 159,488,366.25, 220,094,033.99 and 86,149,508.97 is: 118,886,370.22
Step by Step Solution
- Step 1: Write the proportion equation
159,488,366.25 : 220,094,033.99 = 86,149,508.97 : x - Step 2: Convert to fraction form
159,488,366.25/220,094,033.99 = 86,149,508.97/x - Step 3: Cross multiply
159,488,366.25x = 220,094,033.99 × 86,149,508.97 - Step 4: Simplify right side
159,488,366.25x = 18,960,992,955,034,244 - Step 5: Solve for x
x = 18,960,992,955,034,244/159,488,366.25 - Step 6: Final answer
x = 118,886,370.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.