Finding the Fourth Proportional to 157,731,124.62, 236,385,196.34 and 122,758,466.34
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Solution
The fourth proportional to 157,731,124.62, 236,385,196.34 and 122,758,466.34 is: 183,973,101.30
Step by Step Solution
- Step 1: Write the proportion equation
157,731,124.62 : 236,385,196.34 = 122,758,466.34 : x - Step 2: Convert to fraction form
157,731,124.62/236,385,196.34 = 122,758,466.34/x - Step 3: Cross multiply
157,731,124.62x = 236,385,196.34 × 122,758,466.34 - Step 4: Simplify right side
157,731,124.62x = 29,018,284,168,178,184 - Step 5: Solve for x
x = 29,018,284,168,178,184/157,731,124.62 - Step 6: Final answer
x = 183,973,101.30
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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.