Finding the Fourth Proportional to 77,215,917.87, 115,828,254.10 and 24,698,202.29
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Solution
The fourth proportional to 77,215,917.87, 115,828,254.10 and 24,698,202.29 is: 37,048,703.55
Step by Step Solution
- Step 1: Write the proportion equation
77,215,917.87 : 115,828,254.10 = 24,698,202.29 : x - Step 2: Convert to fraction form
77,215,917.87/115,828,254.10 = 24,698,202.29/x - Step 3: Cross multiply
77,215,917.87x = 115,828,254.10 × 24,698,202.29 - Step 4: Simplify right side
77,215,917.87x = 2,860,749,650,640,004 - Step 5: Solve for x
x = 2,860,749,650,640,004/77,215,917.87 - Step 6: Final answer
x = 37,048,703.55
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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.