Finding the Fourth Proportional to 199,397,135.40, 299,095,703.10 and 122,806,645.80
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Solution
The fourth proportional to 199,397,135.40, 299,095,703.10 and 122,806,645.80 is: 184,209,968.70
Step by Step Solution
- Step 1: Write the proportion equation
199,397,135.40 : 299,095,703.10 = 122,806,645.80 : x - Step 2: Convert to fraction form
199,397,135.40/299,095,703.10 = 122,806,645.80/x - Step 3: Cross multiply
199,397,135.40x = 299,095,703.10 × 122,806,645.80 - Step 4: Simplify right side
199,397,135.40x = 36,730,940,070,903,664 - Step 5: Solve for x
x = 36,730,940,070,903,664/199,397,135.40 - Step 6: Final answer
x = 184,209,968.70
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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.