Finding the Fourth Proportional to 161,659,323.06, 223,089,955.14 and 87,319,883.17
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Solution
The fourth proportional to 161,659,323.06, 223,089,955.14 and 87,319,883.17 is: 120,501,487.02
Step by Step Solution
- Step 1: Write the proportion equation
161,659,323.06 : 223,089,955.14 = 87,319,883.17 : x - Step 2: Convert to fraction form
161,659,323.06/223,089,955.14 = 87,319,883.17/x - Step 3: Cross multiply
161,659,323.06x = 223,089,955.14 × 87,319,883.17 - Step 4: Simplify right side
161,659,323.06x = 19,480,188,819,225,340 - Step 5: Solve for x
x = 19,480,188,819,225,340/161,659,323.06 - Step 6: Final answer
x = 120,501,487.02
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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.