Finding the Fourth Proportional to 201,955,490.37, 278,686,565.72 and 117,176,041.53
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Solution
The fourth proportional to 201,955,490.37, 278,686,565.72 and 117,176,041.53 is: 161,695,968.44
Step by Step Solution
- Step 1: Write the proportion equation
201,955,490.37 : 278,686,565.72 = 117,176,041.53 : x - Step 2: Convert to fraction form
201,955,490.37/278,686,565.72 = 117,176,041.53/x - Step 3: Cross multiply
201,955,490.37x = 278,686,565.72 × 117,176,041.53 - Step 4: Simplify right side
201,955,490.37x = 32,655,388,598,073,912 - Step 5: Solve for x
x = 32,655,388,598,073,912/201,955,490.37 - Step 6: Final answer
x = 161,695,968.44
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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.