Finding the Fourth Proportional to 121,407,802.14, 167,436,883.22 and 86,055,682.62
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Solution
The fourth proportional to 121,407,802.14, 167,436,883.22 and 86,055,682.62 is: 118,681,790.03
Step by Step Solution
- Step 1: Write the proportion equation
121,407,802.14 : 167,436,883.22 = 86,055,682.62 : x - Step 2: Convert to fraction form
121,407,802.14/167,436,883.22 = 86,055,682.62/x - Step 3: Cross multiply
121,407,802.14x = 167,436,883.22 × 86,055,682.62 - Step 4: Simplify right side
121,407,802.14x = 14,408,895,281,262,324 - Step 5: Solve for x
x = 14,408,895,281,262,324/121,407,802.14 - Step 6: Final answer
x = 118,681,790.03
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1.5x scale
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.