Finding the Fourth Proportional to 157,788,742.80, 236,683,114.20 and 151,742,125.20
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Solution
The fourth proportional to 157,788,742.80, 236,683,114.20 and 151,742,125.20 is: 227,613,187.80
Step by Step Solution
- Step 1: Write the proportion equation
157,788,742.80 : 236,683,114.20 = 151,742,125.20 : x - Step 2: Convert to fraction form
157,788,742.80/236,683,114.20 = 151,742,125.20/x - Step 3: Cross multiply
157,788,742.80x = 236,683,114.20 × 151,742,125.20 - Step 4: Simplify right side
157,788,742.80x = 35,914,798,747,662,292 - Step 5: Solve for x
x = 35,914,798,747,662,292/157,788,742.80 - Step 6: Final answer
x = 227,613,187.80
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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.