Finding the Fourth Proportional to 135,694,975.16, 187,258,923.98 and 73,815,166.10
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Solution
The fourth proportional to 135,694,975.16, 187,258,923.98 and 73,815,166.10 is: 101,864,852.11
Step by Step Solution
- Step 1: Write the proportion equation
135,694,975.16 : 187,258,923.98 = 73,815,166.10 : x - Step 2: Convert to fraction form
135,694,975.16/187,258,923.98 = 73,815,166.10/x - Step 3: Cross multiply
135,694,975.16x = 187,258,923.98 × 73,815,166.10 - Step 4: Simplify right side
135,694,975.16x = 13,822,548,577,290,972 - Step 5: Solve for x
x = 13,822,548,577,290,972/135,694,975.16 - Step 6: Final answer
x = 101,864,852.11
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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.