Finding the Fourth Proportional to 68,303,076.48, 102,290,448.24 and 39,068,286.48
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Solution
The fourth proportional to 68,303,076.48, 102,290,448.24 and 39,068,286.48 is: 58,508,529.07
Step by Step Solution
- Step 1: Write the proportion equation
68,303,076.48 : 102,290,448.24 = 39,068,286.48 : x - Step 2: Convert to fraction form
68,303,076.48/102,290,448.24 = 39,068,286.48/x - Step 3: Cross multiply
68,303,076.48x = 102,290,448.24 × 39,068,286.48 - Step 4: Simplify right side
68,303,076.48x = 3,996,312,536,007,931.50 - Step 5: Solve for x
x = 3,996,312,536,007,931.50/68,303,076.48 - Step 6: Final answer
x = 58,508,529.07
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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.