Finding the Fourth Proportional to 61,247,975.04, 91,871,962.80 and 18,113,821.92
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Solution
The fourth proportional to 61,247,975.04, 91,871,962.80 and 18,113,821.92 is: 27,170,732.95
Step by Step Solution
- Step 1: Write the proportion equation
61,247,975.04 : 91,871,962.80 = 18,113,821.92 : x - Step 2: Convert to fraction form
61,247,975.04/91,871,962.80 = 18,113,821.92/x - Step 3: Cross multiply
61,247,975.04x = 91,871,962.80 × 18,113,821.92 - Step 4: Simplify right side
61,247,975.04x = 1,664,152,373,600,064.75 - Step 5: Solve for x
x = 1,664,152,373,600,064.75/61,247,975.04 - Step 6: Final answer
x = 27,170,732.95
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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.