Finding the Fourth Proportional to 137,089,300.76, 189,183,220.99 and 77,549,324.84
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Solution
The fourth proportional to 137,089,300.76, 189,183,220.99 and 77,549,324.84 is: 107,018,060.32
Step by Step Solution
- Step 1: Write the proportion equation
137,089,300.76 : 189,183,220.99 = 77,549,324.84 : x - Step 2: Convert to fraction form
137,089,300.76/189,183,220.99 = 77,549,324.84/x - Step 3: Cross multiply
137,089,300.76x = 189,183,220.99 × 77,549,324.84 - Step 4: Simplify right side
137,089,300.76x = 14,671,031,057,691,226 - Step 5: Solve for x
x = 14,671,031,057,691,226/137,089,300.76 - Step 6: Final answer
x = 107,018,060.32
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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.