Finding the Fourth Proportional to 71,575,765.08, 98,777,352.24 and 40,638,813
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Solution
The fourth proportional to 71,575,765.08, 98,777,352.24 and 40,638,813 is: 56,083,149.68
Step by Step Solution
- Step 1: Write the proportion equation
71,575,765.08 : 98,777,352.24 = 40,638,813 : x - Step 2: Convert to fraction form
71,575,765.08/98,777,352.24 = 40,638,813/x - Step 3: Cross multiply
71,575,765.08x = 98,777,352.24 × 40,638,813 - Step 4: Simplify right side
71,575,765.08x = 4,014,194,346,316,491 - Step 5: Solve for x
x = 4,014,194,346,316,491/71,575,765.08 - Step 6: Final answer
x = 56,083,149.68
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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.