Finding the Fourth Proportional to 263,642,854.74, 395,187,452.78 and 88,705,159.25
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Solution
The fourth proportional to 263,642,854.74, 395,187,452.78 and 88,705,159.25 is: 132,964,596.99
Step by Step Solution
- Step 1: Write the proportion equation
263,642,854.74 : 395,187,452.78 = 88,705,159.25 : x - Step 2: Convert to fraction form
263,642,854.74/395,187,452.78 = 88,705,159.25/x - Step 3: Cross multiply
263,642,854.74x = 395,187,452.78 × 88,705,159.25 - Step 4: Simplify right side
263,642,854.74x = 35,055,165,930,032,292 - Step 5: Solve for x
x = 35,055,165,930,032,292/263,642,854.74 - Step 6: Final answer
x = 132,964,596.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.