Finding the Fourth Proportional to 149,467,404.80, 224,201,107.20 and 68,688,372.80
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Solution
The fourth proportional to 149,467,404.80, 224,201,107.20 and 68,688,372.80 is: 103,032,559.20
Step by Step Solution
- Step 1: Write the proportion equation
149,467,404.80 : 224,201,107.20 = 68,688,372.80 : x - Step 2: Convert to fraction form
149,467,404.80/224,201,107.20 = 68,688,372.80/x - Step 3: Cross multiply
149,467,404.80x = 224,201,107.20 × 68,688,372.80 - Step 4: Simplify right side
149,467,404.80x = 15,400,009,233,526,362 - Step 5: Solve for x
x = 15,400,009,233,526,362/149,467,404.80 - Step 6: Final answer
x = 103,032,559.20
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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.