Finding the Fourth Proportional to 270,683,877.79, 373,534,085.62 and 153,206,685.08
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Solution
The fourth proportional to 270,683,877.79, 373,534,085.62 and 153,206,685.08 is: 211,419,754.61
Step by Step Solution
- Step 1: Write the proportion equation
270,683,877.79 : 373,534,085.62 = 153,206,685.08 : x - Step 2: Convert to fraction form
270,683,877.79/373,534,085.62 = 153,206,685.08/x - Step 3: Cross multiply
270,683,877.79x = 373,534,085.62 × 153,206,685.08 - Step 4: Simplify right side
270,683,877.79x = 57,227,919,019,978,408 - Step 5: Solve for x
x = 57,227,919,019,978,408/270,683,877.79 - Step 6: Final answer
x = 211,419,754.61
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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.