Finding the Fourth Proportional to 66,999,525.42, 92,448,472.73 and 41,878,661.70
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Solution
The fourth proportional to 66,999,525.42, 92,448,472.73 and 41,878,661.70 is: 57,785,757.28
Step by Step Solution
- Step 1: Write the proportion equation
66,999,525.42 : 92,448,472.73 = 41,878,661.70 : x - Step 2: Convert to fraction form
66,999,525.42/92,448,472.73 = 41,878,661.70/x - Step 3: Cross multiply
66,999,525.42x = 92,448,472.73 × 41,878,661.70 - Step 4: Simplify right side
66,999,525.42x = 3,871,618,313,931,952 - Step 5: Solve for x
x = 3,871,618,313,931,952/66,999,525.42 - Step 6: Final answer
x = 57,785,757.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.