Finding the Fourth Proportional to 126,709,444.48, 174,859,026.24 and 68,762,692.48
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Solution
The fourth proportional to 126,709,444.48, 174,859,026.24 and 68,762,692.48 is: 94,892,511.75
Step by Step Solution
- Step 1: Write the proportion equation
126,709,444.48 : 174,859,026.24 = 68,762,692.48 : x - Step 2: Convert to fraction form
126,709,444.48/174,859,026.24 = 68,762,692.48/x - Step 3: Cross multiply
126,709,444.48x = 174,859,026.24 × 68,762,692.48 - Step 4: Simplify right side
126,709,444.48x = 12,023,777,448,693,372 - Step 5: Solve for x
x = 12,023,777,448,693,372/126,709,444.48 - Step 6: Final answer
x = 94,892,511.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.