Finding the Fourth Proportional to 157,731,120.77, 236,385,190.50 and 122,758,462.55
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Solution
The fourth proportional to 157,731,120.77, 236,385,190.50 and 122,758,462.55 is: 183,973,095.57
Step by Step Solution
- Step 1: Write the proportion equation
157,731,120.77 : 236,385,190.50 = 122,758,462.55 : x - Step 2: Convert to fraction form
157,731,120.77/236,385,190.50 = 122,758,462.55/x - Step 3: Cross multiply
157,731,120.77x = 236,385,190.50 × 122,758,462.55 - Step 4: Simplify right side
157,731,120.77x = 29,018,282,554,186,940 - Step 5: Solve for x
x = 29,018,282,554,186,940/157,731,120.77 - Step 6: Final answer
x = 183,973,095.57
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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.