Finding the Fourth Proportional to 363,832,030.20, 545,748,045.30 and 145,374,349.80
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Solution
The fourth proportional to 363,832,030.20, 545,748,045.30 and 145,374,349.80 is: 218,061,524.70
Step by Step Solution
- Step 1: Write the proportion equation
363,832,030.20 : 545,748,045.30 = 145,374,349.80 : x - Step 2: Convert to fraction form
363,832,030.20/545,748,045.30 = 145,374,349.80/x - Step 3: Cross multiply
363,832,030.20x = 545,748,045.30 × 145,374,349.80 - Step 4: Simplify right side
363,832,030.20x = 79,337,767,240,108,448 - Step 5: Solve for x
x = 79,337,767,240,108,448/363,832,030.20 - Step 6: Final answer
x = 218,061,524.70
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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.