Finding the Fourth Proportional to 136,062,892.96, 187,782,733.02 and 77,334,386.02
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Solution
The fourth proportional to 136,062,892.96, 187,782,733.02 and 77,334,386.02 is: 106,730,512.99
Step by Step Solution
- Step 1: Write the proportion equation
136,062,892.96 : 187,782,733.02 = 77,334,386.02 : x - Step 2: Convert to fraction form
136,062,892.96/187,782,733.02 = 77,334,386.02/x - Step 3: Cross multiply
136,062,892.96x = 187,782,733.02 × 77,334,386.02 - Step 4: Simplify right side
136,062,892.96x = 14,522,062,363,919,566 - Step 5: Solve for x
x = 14,522,062,363,919,566/136,062,892.96 - Step 6: Final answer
x = 106,730,512.99
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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.