Finding the Fourth Proportional to 209,563,955.16, 287,103,642.90 and 201,709,548
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Solution
The fourth proportional to 209,563,955.16, 287,103,642.90 and 201,709,548 is: 276,343,066.70
Step by Step Solution
- Step 1: Write the proportion equation
209,563,955.16 : 287,103,642.90 = 201,709,548 : x - Step 2: Convert to fraction form
209,563,955.16/287,103,642.90 = 201,709,548/x - Step 3: Cross multiply
209,563,955.16x = 287,103,642.90 × 201,709,548 - Step 4: Simplify right side
209,563,955.16x = 57,911,546,038,512,408 - Step 5: Solve for x
x = 57,911,546,038,512,408/209,563,955.16 - Step 6: Final answer
x = 276,343,066.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.