Finding the Fourth Proportional to 93,162,408.64, 128,564,633.60 and 54,027,388.48
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Solution
The fourth proportional to 93,162,408.64, 128,564,633.60 and 54,027,388.48 is: 74,558,091.68
Step by Step Solution
- Step 1: Write the proportion equation
93,162,408.64 : 128,564,633.60 = 54,027,388.48 : x - Step 2: Convert to fraction form
93,162,408.64/128,564,633.60 = 54,027,388.48/x - Step 3: Cross multiply
93,162,408.64x = 128,564,633.60 × 54,027,388.48 - Step 4: Simplify right side
93,162,408.64x = 6,946,011,404,296,060 - Step 5: Solve for x
x = 6,946,011,404,296,060/93,162,408.64 - Step 6: Final answer
x = 74,558,091.68
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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.