Finding the Fourth Proportional to 195,248,642.19, 269,447,242.56 and 107,141,869.20
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Solution
The fourth proportional to 195,248,642.19, 269,447,242.56 and 107,141,869.20 is: 147,858,038.32
Step by Step Solution
- Step 1: Write the proportion equation
195,248,642.19 : 269,447,242.56 = 107,141,869.20 : x - Step 2: Convert to fraction form
195,248,642.19/269,447,242.56 = 107,141,869.20/x - Step 3: Cross multiply
195,248,642.19x = 269,447,242.56 × 107,141,869.20 - Step 4: Simplify right side
195,248,642.19x = 28,869,081,218,664,196 - Step 5: Solve for x
x = 28,869,081,218,664,196/195,248,642.19 - Step 6: Final answer
x = 147,858,038.32
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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.