Finding the Fourth Proportional to 66,651,923.03, 91,986,580.95 and 38,395,270.67
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Solution
The fourth proportional to 66,651,923.03, 91,986,580.95 and 38,395,270.67 is: 52,989,463.96
Step by Step Solution
- Step 1: Write the proportion equation
66,651,923.03 : 91,986,580.95 = 38,395,270.67 : x - Step 2: Convert to fraction form
66,651,923.03/91,986,580.95 = 38,395,270.67/x - Step 3: Cross multiply
66,651,923.03x = 91,986,580.95 × 38,395,270.67 - Step 4: Simplify right side
66,651,923.03x = 3,531,849,673,583,116 - Step 5: Solve for x
x = 3,531,849,673,583,116/66,651,923.03 - Step 6: Final answer
x = 52,989,463.96
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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.