Finding the Fourth Proportional to 135,518,252.64, 202,745,257.44 and 104,579,084.32
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Solution
The fourth proportional to 135,518,252.64, 202,745,257.44 and 104,579,084.32 is: 156,457,989.68
Step by Step Solution
- Step 1: Write the proportion equation
135,518,252.64 : 202,745,257.44 = 104,579,084.32 : x - Step 2: Convert to fraction form
135,518,252.64/202,745,257.44 = 104,579,084.32/x - Step 3: Cross multiply
135,518,252.64x = 202,745,257.44 × 104,579,084.32 - Step 4: Simplify right side
135,518,252.64x = 21,202,913,373,297,864 - Step 5: Solve for x
x = 21,202,913,373,297,864/135,518,252.64 - Step 6: Final answer
x = 156,457,989.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.