Finding the Fourth Proportional to 202,374,798.18, 279,277,162.29 and 109,555,237.14
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Solution
The fourth proportional to 202,374,798.18, 279,277,162.29 and 109,555,237.14 is: 151,186,195.21
Step by Step Solution
- Step 1: Write the proportion equation
202,374,798.18 : 279,277,162.29 = 109,555,237.14 : x - Step 2: Convert to fraction form
202,374,798.18/279,277,162.29 = 109,555,237.14/x - Step 3: Cross multiply
202,374,798.18x = 279,277,162.29 × 109,555,237.14 - Step 4: Simplify right side
202,374,798.18x = 30,596,275,742,467,216 - Step 5: Solve for x
x = 30,596,275,742,467,216/202,374,798.18 - Step 6: Final answer
x = 151,186,195.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.