Finding the Fourth Proportional to 73,516,503.31, 110,286,733.62 and 21,706,343.23
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Solution
The fourth proportional to 73,516,503.31, 110,286,733.62 and 21,706,343.23 is: 32,563,051.64
Step by Step Solution
- Step 1: Write the proportion equation
73,516,503.31 : 110,286,733.62 = 21,706,343.23 : x - Step 2: Convert to fraction form
73,516,503.31/110,286,733.62 = 21,706,343.23/x - Step 3: Cross multiply
73,516,503.31x = 110,286,733.62 × 21,706,343.23 - Step 4: Simplify right side
73,516,503.31x = 2,393,921,693,671,300.50 - Step 5: Solve for x
x = 2,393,921,693,671,300.50/73,516,503.31 - Step 6: Final answer
x = 32,563,051.64
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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.