Finding the Fourth Proportional to 125,626,659.09, 173,247,825.29 and 81,526,503.93
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Solution
The fourth proportional to 125,626,659.09, 173,247,825.29 and 81,526,503.93 is: 112,430,670.46
Step by Step Solution
- Step 1: Write the proportion equation
125,626,659.09 : 173,247,825.29 = 81,526,503.93 : x - Step 2: Convert to fraction form
125,626,659.09/173,247,825.29 = 81,526,503.93/x - Step 3: Cross multiply
125,626,659.09x = 173,247,825.29 × 81,526,503.93 - Step 4: Simplify right side
125,626,659.09x = 14,124,289,508,961,506 - Step 5: Solve for x
x = 14,124,289,508,961,506/125,626,659.09 - Step 6: Final answer
x = 112,430,670.46
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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.