Finding the Fourth Proportional to 94,115,632.70, 129,883,477.84 and 52,299,541.86
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Solution
The fourth proportional to 94,115,632.70, 129,883,477.84 and 52,299,541.86 is: 72,175,537.59
Step by Step Solution
- Step 1: Write the proportion equation
94,115,632.70 : 129,883,477.84 = 52,299,541.86 : x - Step 2: Convert to fraction form
94,115,632.70/129,883,477.84 = 52,299,541.86/x - Step 3: Cross multiply
94,115,632.70x = 129,883,477.84 × 52,299,541.86 - Step 4: Simplify right side
94,115,632.70x = 6,792,846,386,215,462 - Step 5: Solve for x
x = 6,792,846,386,215,462/94,115,632.70 - Step 6: Final answer
x = 72,175,537.59
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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.