Finding the Fourth Proportional to 149,467,403.80, 224,201,105.70 and 68,688,371.80
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Solution
The fourth proportional to 149,467,403.80, 224,201,105.70 and 68,688,371.80 is: 103,032,557.70
Step by Step Solution
- Step 1: Write the proportion equation
149,467,403.80 : 224,201,105.70 = 68,688,371.80 : x - Step 2: Convert to fraction form
149,467,403.80/224,201,105.70 = 68,688,371.80/x - Step 3: Cross multiply
149,467,403.80x = 224,201,105.70 × 68,688,371.80 - Step 4: Simplify right side
149,467,403.80x = 15,400,008,906,292,698 - Step 5: Solve for x
x = 15,400,008,906,292,698/149,467,403.80 - Step 6: Final answer
x = 103,032,557.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.