Finding the Fourth Proportional to 170,857,778.08, 235,782,305.04 and 92,539,513.12
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Solution
The fourth proportional to 170,857,778.08, 235,782,305.04 and 92,539,513.12 is: 127,703,754.29
Step by Step Solution
- Step 1: Write the proportion equation
170,857,778.08 : 235,782,305.04 = 92,539,513.12 : x - Step 2: Convert to fraction form
170,857,778.08/235,782,305.04 = 92,539,513.12/x - Step 3: Cross multiply
170,857,778.08x = 235,782,305.04 × 92,539,513.12 - Step 4: Simplify right side
170,857,778.08x = 21,819,179,710,712,924 - Step 5: Solve for x
x = 21,819,179,710,712,924/170,857,778.08 - Step 6: Final answer
x = 127,703,754.29
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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.