Finding the Fourth Proportional to 74,765,191.91, 103,175,743.82 and 41,725,089.41
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Solution
The fourth proportional to 74,765,191.91, 103,175,743.82 and 41,725,089.41 is: 57,580,500.04
Step by Step Solution
- Step 1: Write the proportion equation
74,765,191.91 : 103,175,743.82 = 41,725,089.41 : x - Step 2: Convert to fraction form
74,765,191.91/103,175,743.82 = 41,725,089.41/x - Step 3: Cross multiply
74,765,191.91x = 103,175,743.82 × 41,725,089.41 - Step 4: Simplify right side
74,765,191.91x = 4,305,017,135,108,251 - Step 5: Solve for x
x = 4,305,017,135,108,251/74,765,191.91 - Step 6: Final answer
x = 57,580,500.04
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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.