Finding the Fourth Proportional to 193,451,519.08, 266,963,113.06 and 105,345,490.32
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Solution
The fourth proportional to 193,451,519.08, 266,963,113.06 and 105,345,490.32 is: 145,376,785.75
Step by Step Solution
- Step 1: Write the proportion equation
193,451,519.08 : 266,963,113.06 = 105,345,490.32 : x - Step 2: Convert to fraction form
193,451,519.08/266,963,113.06 = 105,345,490.32/x - Step 3: Cross multiply
193,451,519.08x = 266,963,113.06 × 105,345,490.32 - Step 4: Simplify right side
193,451,519.08x = 28,123,360,042,659,292 - Step 5: Solve for x
x = 28,123,360,042,659,292/193,451,519.08 - Step 6: Final answer
x = 145,376,785.75
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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.