Finding the Fourth Proportional to 71,221,313.36, 106,831,803.93 and 46,783,497.20
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Solution
The fourth proportional to 71,221,313.36, 106,831,803.93 and 46,783,497.20 is: 70,175,136.68
Step by Step Solution
- Step 1: Write the proportion equation
71,221,313.36 : 106,831,803.93 = 46,783,497.20 : x - Step 2: Convert to fraction form
71,221,313.36/106,831,803.93 = 46,783,497.20/x - Step 3: Cross multiply
71,221,313.36x = 106,831,803.93 × 46,783,497.20 - Step 4: Simplify right side
71,221,313.36x = 4,997,965,399,495,945 - Step 5: Solve for x
x = 4,997,965,399,495,945/71,221,313.36 - Step 6: Final answer
x = 70,175,136.68
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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.