Finding the Fourth Proportional to 102,395,493.84, 141,305,794.20 and 55,985,779.92
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Solution
The fourth proportional to 102,395,493.84, 141,305,794.20 and 55,985,779.92 is: 77,260,383.23
Step by Step Solution
- Step 1: Write the proportion equation
102,395,493.84 : 141,305,794.20 = 55,985,779.92 : x - Step 2: Convert to fraction form
102,395,493.84/141,305,794.20 = 55,985,779.92/x - Step 3: Cross multiply
102,395,493.84x = 141,305,794.20 × 55,985,779.92 - Step 4: Simplify right side
102,395,493.84x = 7,911,115,095,502,012 - Step 5: Solve for x
x = 7,911,115,095,502,012/102,395,493.84 - Step 6: Final answer
x = 77,260,383.23
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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.