Finding the Fourth Proportional to 181,671,811.12, 272,411,956.50 and 79,316,274.52
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Solution
The fourth proportional to 181,671,811.12, 272,411,956.50 and 79,316,274.52 is: 118,932,603.75
Step by Step Solution
- Step 1: Write the proportion equation
181,671,811.12 : 272,411,956.50 = 79,316,274.52 : x - Step 2: Convert to fraction form
181,671,811.12/272,411,956.50 = 79,316,274.52/x - Step 3: Cross multiply
181,671,811.12x = 272,411,956.50 × 79,316,274.52 - Step 4: Simplify right side
181,671,811.12x = 21,606,701,524,284,296 - Step 5: Solve for x
x = 21,606,701,524,284,296/181,671,811.12 - Step 6: Final answer
x = 118,932,603.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.