Finding the Fourth Proportional to 157,731,096.03, 236,385,153.49 and 122,758,437.74
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Solution
The fourth proportional to 157,731,096.03, 236,385,153.49 and 122,758,437.74 is: 183,973,058.43
Step by Step Solution
- Step 1: Write the proportion equation
157,731,096.03 : 236,385,153.49 = 122,758,437.74 : x - Step 2: Convert to fraction form
157,731,096.03/236,385,153.49 = 122,758,437.74/x - Step 3: Cross multiply
157,731,096.03x = 236,385,153.49 × 122,758,437.74 - Step 4: Simplify right side
157,731,096.03x = 29,018,272,147,134,168 - Step 5: Solve for x
x = 29,018,272,147,134,168/157,731,096.03 - Step 6: Final answer
x = 183,973,058.43
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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.