Finding the Fourth Proportional to 73,462,299.94, 101,374,934.45 and 39,971,916.84
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Solution
The fourth proportional to 73,462,299.94, 101,374,934.45 and 39,971,916.84 is: 55,159,591.42
Step by Step Solution
- Step 1: Write the proportion equation
73,462,299.94 : 101,374,934.45 = 39,971,916.84 : x - Step 2: Convert to fraction form
73,462,299.94/101,374,934.45 = 39,971,916.84/x - Step 3: Cross multiply
73,462,299.94x = 101,374,934.45 × 39,971,916.84 - Step 4: Simplify right side
73,462,299.94x = 4,052,150,449,495,851.50 - Step 5: Solve for x
x = 4,052,150,449,495,851.50/73,462,299.94 - Step 6: Final answer
x = 55,159,591.42
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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.