Finding the Fourth Proportional to 178,582,215.52, 246,435,127.99 and 99,202,422.07
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Solution
The fourth proportional to 178,582,215.52, 246,435,127.99 and 99,202,422.07 is: 136,894,715.46
Step by Step Solution
- Step 1: Write the proportion equation
178,582,215.52 : 246,435,127.99 = 99,202,422.07 : x - Step 2: Convert to fraction form
178,582,215.52/246,435,127.99 = 99,202,422.07/x - Step 3: Cross multiply
178,582,215.52x = 246,435,127.99 × 99,202,422.07 - Step 4: Simplify right side
178,582,215.52x = 24,446,961,579,738,448 - Step 5: Solve for x
x = 24,446,961,579,738,448/178,582,215.52 - Step 6: Final answer
x = 136,894,715.46
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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.