Finding the Fourth Proportional to 159,366,618.93, 219,923,698.58 and 88,805,203.17
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Solution
The fourth proportional to 159,366,618.93, 219,923,698.58 and 88,805,203.17 is: 122,549,934.64
Step by Step Solution
- Step 1: Write the proportion equation
159,366,618.93 : 219,923,698.58 = 88,805,203.17 : x - Step 2: Convert to fraction form
159,366,618.93/219,923,698.58 = 88,805,203.17/x - Step 3: Cross multiply
159,366,618.93x = 219,923,698.58 × 88,805,203.17 - Step 4: Simplify right side
159,366,618.93x = 19,530,368,732,751,096 - Step 5: Solve for x
x = 19,530,368,732,751,096/159,366,618.93 - Step 6: Final answer
x = 122,549,934.64
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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.