Finding the Fourth Proportional to 102,312,848.13, 141,193,630.49 and 55,906,107.81
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Solution
The fourth proportional to 102,312,848.13, 141,193,630.49 and 55,906,107.81 is: 77,151,467.02
Step by Step Solution
- Step 1: Write the proportion equation
102,312,848.13 : 141,193,630.49 = 55,906,107.81 : x - Step 2: Convert to fraction form
102,312,848.13/141,193,630.49 = 55,906,107.81/x - Step 3: Cross multiply
102,312,848.13x = 141,193,630.49 × 55,906,107.81 - Step 4: Simplify right side
102,312,848.13x = 7,893,586,327,979,714 - Step 5: Solve for x
x = 7,893,586,327,979,714/102,312,848.13 - Step 6: Final answer
x = 77,151,467.02
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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.