Finding the Fourth Proportional to 170,264,156.78, 234,964,534.98 and 91,947,703.36
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Solution
The fourth proportional to 170,264,156.78, 234,964,534.98 and 91,947,703.36 is: 126,887,829.89
Step by Step Solution
- Step 1: Write the proportion equation
170,264,156.78 : 234,964,534.98 = 91,947,703.36 : x - Step 2: Convert to fraction form
170,264,156.78/234,964,534.98 = 91,947,703.36/x - Step 3: Cross multiply
170,264,156.78x = 234,964,534.98 × 91,947,703.36 - Step 4: Simplify right side
170,264,156.78x = 21,604,449,361,873,972 - Step 5: Solve for x
x = 21,604,449,361,873,972/170,264,156.78 - Step 6: Final answer
x = 126,887,829.89
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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.