Finding the Fourth Proportional to 229,896,782.72, 317,253,063.12 and 125,475,602.56
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Solution
The fourth proportional to 229,896,782.72, 317,253,063.12 and 125,475,602.56 is: 173,153,877.09
Step by Step Solution
- Step 1: Write the proportion equation
229,896,782.72 : 317,253,063.12 = 125,475,602.56 : x - Step 2: Convert to fraction form
229,896,782.72/317,253,063.12 = 125,475,602.56/x - Step 3: Cross multiply
229,896,782.72x = 317,253,063.12 × 125,475,602.56 - Step 4: Simplify right side
229,896,782.72x = 39,807,519,258,987,712 - Step 5: Solve for x
x = 39,807,519,258,987,712/229,896,782.72 - Step 6: Final answer
x = 173,153,877.09
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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.