Finding the Fourth Proportional to 108,871,208.80, 163,306,813.20 and 97,785,743.20
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Solution
The fourth proportional to 108,871,208.80, 163,306,813.20 and 97,785,743.20 is: 146,678,614.80
Step by Step Solution
- Step 1: Write the proportion equation
108,871,208.80 : 163,306,813.20 = 97,785,743.20 : x - Step 2: Convert to fraction form
108,871,208.80/163,306,813.20 = 97,785,743.20/x - Step 3: Cross multiply
108,871,208.80x = 163,306,813.20 × 97,785,743.20 - Step 4: Simplify right side
108,871,208.80x = 15,969,078,098,385,570 - Step 5: Solve for x
x = 15,969,078,098,385,570/108,871,208.80 - Step 6: Final answer
x = 146,678,614.80
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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.