Finding the Fourth Proportional to 157,467,726.60, 236,201,589.90 and 135,926,651.40
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Solution
The fourth proportional to 157,467,726.60, 236,201,589.90 and 135,926,651.40 is: 203,889,977.10
Step by Step Solution
- Step 1: Write the proportion equation
157,467,726.60 : 236,201,589.90 = 135,926,651.40 : x - Step 2: Convert to fraction form
157,467,726.60/236,201,589.90 = 135,926,651.40/x - Step 3: Cross multiply
157,467,726.60x = 236,201,589.90 × 135,926,651.40 - Step 4: Simplify right side
157,467,726.60x = 32,106,091,170,463,064 - Step 5: Solve for x
x = 32,106,091,170,463,064/157,467,726.60 - Step 6: Final answer
x = 203,889,977.10
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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.