Finding the Fourth Proportional to 272,973,838, 409,460,757 and 91,221,016
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Solution
The fourth proportional to 272,973,838, 409,460,757 and 91,221,016 is: 136,831,524
Step by Step Solution
- Step 1: Write the proportion equation
272,973,838 : 409,460,757 = 91,221,016 : x - Step 2: Convert to fraction form
272,973,838/409,460,757 = 91,221,016/x - Step 3: Cross multiply
272,973,838x = 409,460,757 × 91,221,016 - Step 4: Simplify right side
272,973,838x = 37,351,426,265,669,112 - Step 5: Solve for x
x = 37,351,426,265,669,112/272,973,838 - Step 6: Final answer
x = 136,831,524
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.