Finding the Fourth Proportional to 86,954,058.18, 119,994,985.98 and 47,794,997.79
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Solution
The fourth proportional to 86,954,058.18, 119,994,985.98 and 47,794,997.79 is: 65,956,209.63
Step by Step Solution
- Step 1: Write the proportion equation
86,954,058.18 : 119,994,985.98 = 47,794,997.79 : x - Step 2: Convert to fraction form
86,954,058.18/119,994,985.98 = 47,794,997.79/x - Step 3: Cross multiply
86,954,058.18x = 119,994,985.98 × 47,794,997.79 - Step 4: Simplify right side
86,954,058.18x = 5,735,160,089,725,181 - Step 5: Solve for x
x = 5,735,160,089,725,181/86,954,058.18 - Step 6: Final answer
x = 65,956,209.63
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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.