Finding the Fourth Proportional to 125,103,233.16, 172,643,866.16 and 71,464,997.97
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Solution
The fourth proportional to 125,103,233.16, 172,643,866.16 and 71,464,997.97 is: 98,622,499.46
Step by Step Solution
- Step 1: Write the proportion equation
125,103,233.16 : 172,643,866.16 = 71,464,997.97 : x - Step 2: Convert to fraction form
125,103,233.16/172,643,866.16 = 71,464,997.97/x - Step 3: Cross multiply
125,103,233.16x = 172,643,866.16 × 71,464,997.97 - Step 4: Simplify right side
125,103,233.16x = 12,337,993,544,300,026 - Step 5: Solve for x
x = 12,337,993,544,300,026/125,103,233.16 - Step 6: Final answer
x = 98,622,499.46
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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.