Finding the Fourth Proportional to 73,551,258.42, 101,501,421.21 and 40,512,680.34
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Solution
The fourth proportional to 73,551,258.42, 101,501,421.21 and 40,512,680.34 is: 55,907,875.95
Step by Step Solution
- Step 1: Write the proportion equation
73,551,258.42 : 101,501,421.21 = 40,512,680.34 : x - Step 2: Convert to fraction form
73,551,258.42/101,501,421.21 = 40,512,680.34/x - Step 3: Cross multiply
73,551,258.42x = 101,501,421.21 × 40,512,680.34 - Step 4: Simplify right side
73,551,258.42x = 4,112,094,631,536,426 - Step 5: Solve for x
x = 4,112,094,631,536,426/73,551,258.42 - Step 6: Final answer
x = 55,907,875.95
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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.