Finding the Fourth Proportional to 70,360,202.25, 105,541,836.09 and 49,525,500.09
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Solution
The fourth proportional to 70,360,202.25, 105,541,836.09 and 49,525,500.09 is: 74,289,328.99
Step by Step Solution
- Step 1: Write the proportion equation
70,360,202.25 : 105,541,836.09 = 49,525,500.09 : x - Step 2: Convert to fraction form
70,360,202.25/105,541,836.09 = 49,525,500.09/x - Step 3: Cross multiply
70,360,202.25x = 105,541,836.09 × 49,525,500.09 - Step 4: Simplify right side
70,360,202.25x = 5,227,012,212,774,061 - Step 5: Solve for x
x = 5,227,012,212,774,061/70,360,202.25 - Step 6: Final answer
x = 74,289,328.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.