Finding the Fourth Proportional to 202,286,376.14, 279,155,199.54 and 109,466,883.99
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Solution
The fourth proportional to 202,286,376.14, 279,155,199.54 and 109,466,883.99 is: 151,064,300.15
Step by Step Solution
- Step 1: Write the proportion equation
202,286,376.14 : 279,155,199.54 = 109,466,883.99 : x - Step 2: Convert to fraction form
202,286,376.14/279,155,199.54 = 109,466,883.99/x - Step 3: Cross multiply
202,286,376.14x = 279,155,199.54 × 109,466,883.99 - Step 4: Simplify right side
202,286,376.14x = 30,558,249,842,260,252 - Step 5: Solve for x
x = 30,558,249,842,260,252/202,286,376.14 - Step 6: Final answer
x = 151,064,300.15
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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.