Finding the Fourth Proportional to 177,843,801.55, 245,419,175.07 and 98,462,400.94
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Solution
The fourth proportional to 177,843,801.55, 245,419,175.07 and 98,462,400.94 is: 135,875,194.99
Step by Step Solution
- Step 1: Write the proportion equation
177,843,801.55 : 245,419,175.07 = 98,462,400.94 : x - Step 2: Convert to fraction form
177,843,801.55/245,419,175.07 = 98,462,400.94/x - Step 3: Cross multiply
177,843,801.55x = 245,419,175.07 × 98,462,400.94 - Step 4: Simplify right side
177,843,801.55x = 24,164,561,214,106,392 - Step 5: Solve for x
x = 24,164,561,214,106,392/177,843,801.55 - Step 6: Final answer
x = 135,875,194.99
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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.