Finding the Fourth Proportional to 74,558,378,973.44, 102,889,867,619.84 and 40,725,661,134.08
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Solution
The fourth proportional to 74,558,378,973.44, 102,889,867,619.84 and 40,725,661,134.08 is: 56,201,032,540.00
Step by Step Solution
- Step 1: Write the proportion equation
74,558,378,973.44 : 102,889,867,619.84 = 40,725,661,134.08 : x - Step 2: Convert to fraction form
74,558,378,973.44/102,889,867,619.84 = 40,725,661,134.08/x - Step 3: Cross multiply
74,558,378,973.44x = 102,889,867,619.84 × 40,725,661,134.08 - Step 4: Simplify right side
74,558,378,973.44x = 4,190,257,882,815,954,157,568 - Step 5: Solve for x
x = 4,190,257,882,815,954,157,568/74,558,378,973.44 - Step 6: Final answer
x = 56,201,032,540.00
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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.