Finding the Fourth Proportional to 239,047,978.99, 329,877,501.69 and 133,195,925.11
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Solution
The fourth proportional to 239,047,978.99, 329,877,501.69 and 133,195,925.11 is: 183,805,523.88
Step by Step Solution
- Step 1: Write the proportion equation
239,047,978.99 : 329,877,501.69 = 133,195,925.11 : x - Step 2: Convert to fraction form
239,047,978.99/329,877,501.69 = 133,195,925.11/x - Step 3: Cross multiply
239,047,978.99x = 329,877,501.69 × 133,195,925.11 - Step 4: Simplify right side
239,047,978.99x = 43,938,339,008,925,752 - Step 5: Solve for x
x = 43,938,339,008,925,752/239,047,978.99 - Step 6: Final answer
x = 183,805,523.88
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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.