Finding the Fourth Proportional to 135,694,976.16, 187,258,925.36 and 73,815,167.08
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Solution
The fourth proportional to 135,694,976.16, 187,258,925.36 and 73,815,167.08 is: 101,864,853.47
Step by Step Solution
- Step 1: Write the proportion equation
135,694,976.16 : 187,258,925.36 = 73,815,167.08 : x - Step 2: Convert to fraction form
135,694,976.16/187,258,925.36 = 73,815,167.08/x - Step 3: Cross multiply
135,694,976.16x = 187,258,925.36 × 73,815,167.08 - Step 4: Simplify right side
135,694,976.16x = 13,822,548,862,669,650 - Step 5: Solve for x
x = 13,822,548,862,669,650/135,694,976.16 - Step 6: Final answer
x = 101,864,853.47
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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.