Finding the Fourth Proportional to 135,217,673.02, 201,689,649.52 and 122,804,327.07
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Solution
The fourth proportional to 135,217,673.02, 201,689,649.52 and 122,804,327.07 is: 183,173,997.41
Step by Step Solution
- Step 1: Write the proportion equation
135,217,673.02 : 201,689,649.52 = 122,804,327.07 : x - Step 2: Convert to fraction form
135,217,673.02/201,689,649.52 = 122,804,327.07/x - Step 3: Cross multiply
135,217,673.02x = 201,689,649.52 × 122,804,327.07 - Step 4: Simplify right side
135,217,673.02x = 24,768,361,687,520,012 - Step 5: Solve for x
x = 24,768,361,687,520,012/135,217,673.02 - Step 6: Final answer
x = 183,173,997.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.