Finding the Fourth Proportional to 77,163,629.22, 106,485,924.95 and 41,881,446.99
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Solution
The fourth proportional to 77,163,629.22, 106,485,924.95 and 41,881,446.99 is: 57,796,460.15
Step by Step Solution
- Step 1: Write the proportion equation
77,163,629.22 : 106,485,924.95 = 41,881,446.99 : x - Step 2: Convert to fraction form
77,163,629.22/106,485,924.95 = 41,881,446.99/x - Step 3: Cross multiply
77,163,629.22x = 106,485,924.95 × 41,881,446.99 - Step 4: Simplify right side
77,163,629.22x = 4,459,784,620,974,543.50 - Step 5: Solve for x
x = 4,459,784,620,974,543.50/77,163,629.22 - Step 6: Final answer
x = 57,796,460.15
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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.