Finding the Fourth Proportional to 136,062,894.74, 187,782,735.50 and 77,334,387.80
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Solution
The fourth proportional to 136,062,894.74, 187,782,735.50 and 77,334,387.80 is: 106,730,515.44
Step by Step Solution
- Step 1: Write the proportion equation
136,062,894.74 : 187,782,735.50 = 77,334,387.80 : x - Step 2: Convert to fraction form
136,062,894.74/187,782,735.50 = 77,334,387.80/x - Step 3: Cross multiply
136,062,894.74x = 187,782,735.50 × 77,334,387.80 - Step 4: Simplify right side
136,062,894.74x = 14,522,062,887,976,242 - Step 5: Solve for x
x = 14,522,062,887,976,242/136,062,894.74 - Step 6: Final answer
x = 106,730,515.44
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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.