Finding the Fourth Proportional to 187,847,142.40, 259,199,822.42 and 107,377,985.36
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Solution
The fourth proportional to 187,847,142.40, 259,199,822.42 and 107,377,985.36 is: 148,164,908.88
Step by Step Solution
- Step 1: Write the proportion equation
187,847,142.40 : 259,199,822.42 = 107,377,985.36 : x - Step 2: Convert to fraction form
187,847,142.40/259,199,822.42 = 107,377,985.36/x - Step 3: Cross multiply
187,847,142.40x = 259,199,822.42 × 107,377,985.36 - Step 4: Simplify right side
187,847,142.40x = 27,832,354,737,643,136 - Step 5: Solve for x
x = 27,832,354,737,643,136/187,847,142.40 - Step 6: Final answer
x = 148,164,908.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.