Finding the Fourth Proportional to 108,871,408.80, 163,307,113.20 and 97,785,943.20
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Solution
The fourth proportional to 108,871,408.80, 163,307,113.20 and 97,785,943.20 is: 146,678,914.80
Step by Step Solution
- Step 1: Write the proportion equation
108,871,408.80 : 163,307,113.20 = 97,785,943.20 : x - Step 2: Convert to fraction form
108,871,408.80/163,307,113.20 = 97,785,943.20/x - Step 3: Cross multiply
108,871,408.80x = 163,307,113.20 × 97,785,943.20 - Step 4: Simplify right side
108,871,408.80x = 15,969,140,095,531,170 - Step 5: Solve for x
x = 15,969,140,095,531,170/108,871,408.80 - Step 6: Final answer
x = 146,678,914.80
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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.