Finding the Fourth Proportional to 86,832,481.49, 130,221,067.39 and 28,526,625.53
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Solution
The fourth proportional to 86,832,481.49, 130,221,067.39 and 28,526,625.53 is: 42,780,852.99
Step by Step Solution
- Step 1: Write the proportion equation
86,832,481.49 : 130,221,067.39 = 28,526,625.53 : x - Step 2: Convert to fraction form
86,832,481.49/130,221,067.39 = 28,526,625.53/x - Step 3: Cross multiply
86,832,481.49x = 130,221,067.39 × 28,526,625.53 - Step 4: Simplify right side
86,832,481.49x = 3,714,767,624,829,002.50 - Step 5: Solve for x
x = 3,714,767,624,829,002.50/86,832,481.49 - Step 6: Final answer
x = 42,780,852.99
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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.