Finding the Fourth Proportional to 76,124,561.68, 105,053,461.68 and 43,084,808.56
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Solution
The fourth proportional to 76,124,561.68, 105,053,461.68 and 43,084,808.56 is: 59,457,922.45
Step by Step Solution
- Step 1: Write the proportion equation
76,124,561.68 : 105,053,461.68 = 43,084,808.56 : x - Step 2: Convert to fraction form
76,124,561.68/105,053,461.68 = 43,084,808.56/x - Step 3: Cross multiply
76,124,561.68x = 105,053,461.68 × 43,084,808.56 - Step 4: Simplify right side
76,124,561.68x = 4,526,208,285,048,097 - Step 5: Solve for x
x = 4,526,208,285,048,097/76,124,561.68 - Step 6: Final answer
x = 59,457,922.45
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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.