Finding the Fourth Proportional to 53,390,955.12, 73,685,009.64 and 32,484,471.99
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Solution
The fourth proportional to 53,390,955.12, 73,685,009.64 and 32,484,471.99 is: 44,831,912.57
Step by Step Solution
- Step 1: Write the proportion equation
53,390,955.12 : 73,685,009.64 = 32,484,471.99 : x - Step 2: Convert to fraction form
53,390,955.12/73,685,009.64 = 32,484,471.99/x - Step 3: Cross multiply
53,390,955.12x = 73,685,009.64 × 32,484,471.99 - Step 4: Simplify right side
53,390,955.12x = 2,393,618,631,733,460 - Step 5: Solve for x
x = 2,393,618,631,733,460/53,390,955.12 - Step 6: Final answer
x = 44,831,912.57
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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.