Finding the Fourth Proportional to 48,735,128.30, 73,102,692.45 and 48,399,205.10
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Solution
The fourth proportional to 48,735,128.30, 73,102,692.45 and 48,399,205.10 is: 72,598,807.65
Step by Step Solution
- Step 1: Write the proportion equation
48,735,128.30 : 73,102,692.45 = 48,399,205.10 : x - Step 2: Convert to fraction form
48,735,128.30/73,102,692.45 = 48,399,205.10/x - Step 3: Cross multiply
48,735,128.30x = 73,102,692.45 × 48,399,205.10 - Step 4: Simplify right side
48,735,128.30x = 3,538,112,205,249,771.50 - Step 5: Solve for x
x = 3,538,112,205,249,771.50/48,735,128.30 - Step 6: Final answer
x = 72,598,807.65
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1.5x scale
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.