Finding the Fourth Proportional to 71,332,841.25, 98,439,335.24 and 43,455,549.96
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Solution
The fourth proportional to 71,332,841.25, 98,439,335.24 and 43,455,549.96 is: 59,968,667.66
Step by Step Solution
- Step 1: Write the proportion equation
71,332,841.25 : 98,439,335.24 = 43,455,549.96 : x - Step 2: Convert to fraction form
71,332,841.25/98,439,335.24 = 43,455,549.96/x - Step 3: Cross multiply
71,332,841.25x = 98,439,335.24 × 43,455,549.96 - Step 4: Simplify right side
71,332,841.25x = 4,277,735,450,333,731 - Step 5: Solve for x
x = 4,277,735,450,333,731/71,332,841.25 - Step 6: Final answer
x = 59,968,667.66
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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.