Finding the Fourth Proportional to 103,683,751.05, 155,525,626.58 and 65,220,544.65
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Solution
The fourth proportional to 103,683,751.05, 155,525,626.58 and 65,220,544.65 is: 97,830,816.98
Step by Step Solution
- Step 1: Write the proportion equation
103,683,751.05 : 155,525,626.58 = 65,220,544.65 : x - Step 2: Convert to fraction form
103,683,751.05/155,525,626.58 = 65,220,544.65/x - Step 3: Cross multiply
103,683,751.05x = 155,525,626.58 × 65,220,544.65 - Step 4: Simplify right side
103,683,751.05x = 10,143,466,072,254,014 - Step 5: Solve for x
x = 10,143,466,072,254,014/103,683,751.05 - Step 6: Final answer
x = 97,830,816.98
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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.