Finding the Fourth Proportional to 157,748,681.93, 236,622,704.85 and 148,149,198.07
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Solution
The fourth proportional to 157,748,681.93, 236,622,704.85 and 148,149,198.07 is: 222,223,498.42
Step by Step Solution
- Step 1: Write the proportion equation
157,748,681.93 : 236,622,704.85 = 148,149,198.07 : x - Step 2: Convert to fraction form
157,748,681.93/236,622,704.85 = 148,149,198.07/x - Step 3: Cross multiply
157,748,681.93x = 236,622,704.85 × 148,149,198.07 - Step 4: Simplify right side
157,748,681.93x = 35,055,463,968,090,240 - Step 5: Solve for x
x = 35,055,463,968,090,240/157,748,681.93 - Step 6: Final answer
x = 222,223,498.42
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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.