Finding the Fourth Proportional to 73,462,299.08, 101,374,933.28 and 39,971,915.99
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Solution
The fourth proportional to 73,462,299.08, 101,374,933.28 and 39,971,915.99 is: 55,159,590.25
Step by Step Solution
- Step 1: Write the proportion equation
73,462,299.08 : 101,374,933.28 = 39,971,915.99 : x - Step 2: Convert to fraction form
73,462,299.08/101,374,933.28 = 39,971,915.99/x - Step 3: Cross multiply
73,462,299.08x = 101,374,933.28 × 39,971,915.99 - Step 4: Simplify right side
73,462,299.08x = 4,052,150,316,518,605 - Step 5: Solve for x
x = 4,052,150,316,518,605/73,462,299.08 - Step 6: Final answer
x = 55,159,590.25
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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.