Finding the Fourth Proportional to 163,314,885.20, 244,972,327.80 and 134,971,365.20
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Solution
The fourth proportional to 163,314,885.20, 244,972,327.80 and 134,971,365.20 is: 202,457,047.80
Step by Step Solution
- Step 1: Write the proportion equation
163,314,885.20 : 244,972,327.80 = 134,971,365.20 : x - Step 2: Convert to fraction form
163,314,885.20/244,972,327.80 = 134,971,365.20/x - Step 3: Cross multiply
163,314,885.20x = 244,972,327.80 × 134,971,365.20 - Step 4: Simplify right side
163,314,885.20x = 33,064,249,519,387,912 - Step 5: Solve for x
x = 33,064,249,519,387,912/163,314,885.20 - Step 6: Final answer
x = 202,457,047.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.