Finding the Fourth Proportional to 205,062,457.20, 307,344,853.80 and 118,634,809.20
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Solution
The fourth proportional to 205,062,457.20, 307,344,853.80 and 118,634,809.20 is: 177,808,256.99
Step by Step Solution
- Step 1: Write the proportion equation
205,062,457.20 : 307,344,853.80 = 118,634,809.20 : x - Step 2: Convert to fraction form
205,062,457.20/307,344,853.80 = 118,634,809.20/x - Step 3: Cross multiply
205,062,457.20x = 307,344,853.80 × 118,634,809.20 - Step 4: Simplify right side
205,062,457.20x = 36,461,798,089,164,896 - Step 5: Solve for x
x = 36,461,798,089,164,896/205,062,457.20 - Step 6: Final answer
x = 177,808,256.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.