Finding the Fourth Proportional to 73,998,746.07, 102,115,665.09 and 40,959,059.10
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Solution
The fourth proportional to 73,998,746.07, 102,115,665.09 and 40,959,059.10 is: 56,522,059.95
Step by Step Solution
- Step 1: Write the proportion equation
73,998,746.07 : 102,115,665.09 = 40,959,059.10 : x - Step 2: Convert to fraction form
73,998,746.07/102,115,665.09 = 40,959,059.10/x - Step 3: Cross multiply
73,998,746.07x = 102,115,665.09 × 40,959,059.10 - Step 4: Simplify right side
73,998,746.07x = 4,182,561,561,457,117 - Step 5: Solve for x
x = 4,182,561,561,457,117/73,998,746.07 - Step 6: Final answer
x = 56,522,059.95
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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.