Finding the Fourth Proportional to 76,623,852.99, 105,739,441.61 and 41,816,792.53
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Solution
The fourth proportional to 76,623,852.99, 105,739,441.61 and 41,816,792.53 is: 57,706,368.44
Step by Step Solution
- Step 1: Write the proportion equation
76,623,852.99 : 105,739,441.61 = 41,816,792.53 : x - Step 2: Convert to fraction form
76,623,852.99/105,739,441.61 = 41,816,792.53/x - Step 3: Cross multiply
76,623,852.99x = 105,739,441.61 × 41,816,792.53 - Step 4: Simplify right side
76,623,852.99x = 4,421,684,291,966,509.50 - Step 5: Solve for x
x = 4,421,684,291,966,509.50/76,623,852.99 - Step 6: Final answer
x = 57,706,368.44
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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.