Finding the Fourth Proportional to 46,376,938.80, 69,565,408.20 and 29,412,817.20
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Solution
The fourth proportional to 46,376,938.80, 69,565,408.20 and 29,412,817.20 is: 44,119,225.80
Step by Step Solution
- Step 1: Write the proportion equation
46,376,938.80 : 69,565,408.20 = 29,412,817.20 : x - Step 2: Convert to fraction form
46,376,938.80/69,565,408.20 = 29,412,817.20/x - Step 3: Cross multiply
46,376,938.80x = 69,565,408.20 × 29,412,817.20 - Step 4: Simplify right side
46,376,938.80x = 2,046,114,634,829,981 - Step 5: Solve for x
x = 2,046,114,634,829,981/46,376,938.80 - Step 6: Final answer
x = 44,119,225.80
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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.