Finding the Fourth Proportional to 77,220,719.68, 106,525,176.48 and 49,314,095.68
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Solution
The fourth proportional to 77,220,719.68, 106,525,176.48 and 49,314,095.68 is: 68,028,280.07
Step by Step Solution
- Step 1: Write the proportion equation
77,220,719.68 : 106,525,176.48 = 49,314,095.68 : x - Step 2: Convert to fraction form
77,220,719.68/106,525,176.48 = 49,314,095.68/x - Step 3: Cross multiply
77,220,719.68x = 106,525,176.48 × 49,314,095.68 - Step 4: Simplify right side
77,220,719.68x = 5,253,192,745,263,606 - Step 5: Solve for x
x = 5,253,192,745,263,606/77,220,719.68 - Step 6: Final answer
x = 68,028,280.07
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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.